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Demonstrators carry signs calling for protection of homosexuals from discrimination as they march in a picket line in front of Independence Hall in Philadelphia, July 4, 1967. (AP) ( GAY LESBIAN RIGHTS PHILADELPHIA )

A demonstrator carries a sign as he marches with others in a picket line at City Hall calling for the protection of rights for homosexuals, June 10, 1970, in New York City. The signs reads: "Over 500,000 gay voters will not be misrepresented." (AP Photo/Eddie Adams) ( GAY RIGHTS PICKET LINE NEW YORK )

Two young men, one wearing a dress, dance in New York's Central Park, June 27, 1971, in front of a group of gays and sympathizers. A march up Sixth Avenue and rally in the park highlighted Gay Pride week. About 5,000 people attended the rally in the park. (AP Photo/Ron Frehm) ( Gay Pride 1971 )

In this June 26, 1978 file photo, then San Francisco Supervisor Harvey Milk is seen in San Francisco's seventh annual Gay Freedom parade. A network of Long Island gay and lesbian advocacy groups is honoring the slain gay rights activist this weekend. Milk grew up on Long Island and graduated from high school there in the late 1940s _ keeping his sexuality a well-guarded secret. (AP Photo/File) ( Harvey Milk Honored )

Hundreds of gay rights activists protest the "diminished capacity" verdict against former Supervisor Dan White for the double assassination of Mayor George Moscone and the city's first openly gay Supervisor, Harvey Milk at Sheridan Square in New York's Greenwich Village section, Tuesday night, May 22, 1979. The demonstrators gathered before a police station then marched to the square, calling on Mayor Koch to state where he stands on protection for "his lesbian and gay constituences." One sign reads, "Stop Police Brutality Against Lesbians and Gay Men." (AP Photo) ( NYC MOSCONE MILK VERDICT PROTEST )

As demonstrators reach for rocks, a San Francisco police car goes up in flames as some 5,000 persons rioted following return of verdict in the Dan White trial, May 22, 1979. White was convicted of manslaughter in the slayings of Mayor George Moscone and Supervisor Harvey Milk. (AP Photo/Paul Sakuma) ( San Francisco Riot )

Police wrestle with a demonstrator in front of San Franciscoís City Hall, May 22, 1979, which erupted following juryís verdict of two counts of voluntary manslaughter for Dan White in the killings of Mayor George Moscone and Supervisor Harvey Milk. (AP Photo/Paul Sakuma) ( San Francisco Riot )

In this April 9, 1969 file picture, a student leader speaks from steps of the Harvard administration building at Cambridge, Mass. as part of a protest against Reserve Officers Training Corps program at the university. Forty years ago, ROTC units disappeared from Yale, Harvard, Columbia, Stanford and other elite schools, casualties of Vietnam-era tension and academic power struggles. Now, those same schools are moving toward welcoming ROTC units back thanks to the imminent demise of "don't ask, don't tell," the policy barring gays from serving openly in the U.S. military. (AP Photo/Bill Chaplis) ( Gays in the Military ROTC )

Staff Sgt. Perry Watkins, a self-avowed homosexual, is waiting to see if the Army appeals federal court rulings that he can stay in the service in Tacoma, Washington on Nov. 13, 1982. He says he told the Army before he was drafted in 1968 that he was gay and that he has performed in drag in numerous Army shows. For years the Army did nothing, but now wants him out. ìI didnít lie to the Army, ìsays Watkins, 34. (AP Photo/Barry Sweet) ( Staff Sgt. Perry Watkins )

Police arrest a member of a gay activities group that was demonstrating and attempting to block the entrance to the Supreme Court, Tuesday, Oct. 13, 1987, Washington, D.C. Several hundred took part in the protest. (AP Photo/Scott Stewart) ( Gay Rights Demonstration 1987 )

An identified woman tries to comfort a wheelchair-bound Aids victim and his friend during the rally on the Mall for the participants of the Lesbian and Gay Rights March on Washington, Sunday, Oct. 11, 1987, Washington, D.C. Park police estimate some 200,000 people attended the rally. (AP Photo/Scott Stewart) ( Gay March On Washington 1987 )

In this April 25, 1993 file photo, a view from atop the Washington Monument shows 300,000 people gathered for the National March on Washington for Gay and Lesbian Rights in the U.S. capital. A Democrat in the White House. Demands for sweeping civil rights protections. Religious opponents working to undo a string of state-based victories. That was the backdrop in 1979 when gay rights activists staged their first national march in Washington. Thirty years later, with the landscape looking much the same, thousands of advocates are preparing to rally again in the nation's capital this weekend. (AP Photo/Mark Wilson, file) ( Gay Rights March )

Gay rights activists gather on the Mall prior to the start of a march, Sunday, April 25, 1993, Washington, D.C. Hundreds of thousands were expected for the march they hope will mark a turning point in their fight for acceptance and equal rights in an often hostile society. (AP Photo/Ron Edmonds) ( Gay Rights March Washington 1993 )

Marlin Hofer, left foreground, and David Briley, both from Portland, Ore., embrace during a wedding-interfaith ceremony in front of the Internal Revenue Service Building, Saturday, April 24, 1993, Washington, D.C. Hofer is HIV positive and Briley has Aids. This was one of several events leading to Sundays gay rights march. (AP Photo/Wilfredo Lee) ( Gay Rights March Washington 1993 )

WASHINGTON, DC - APRIL 24: Wendy Benner-Leon (R) and Terri Leon-Benner (L), from Boston, embrace 24 April 1993 after exchanging wedding vows at an Interfaith Ceremony of Commitment in front of the Internal Revenue Service Building. The gay and lesbian wedding ceremony, which included several couples, was a demonstration for same-sex couples' rights under U.S. tax law. JENNIFER LAW/AFP/Getty Images ( SAWH990309517530 )

WASHINGTON, DC - APRIL 25: Tom Healy of San Francisco walks briskly across the Ellipse behind the White House 25 April 1993 while trailing a rainbow banner, symbol of a diverse United States. Estimates say that 1,000,000 people are expected to participate in the gay rights march.ARYEH RABINOVICH/AFP/Getty Images ( SAWH990309517680 )

LOS ANGELES, UNITED STATES: Gay and lesbian activists feign death during a demonstration in Los Angeles 15 August 2000 at Pershing Square in Los Angeles, CA 15 August 2000. Meanwhile, the director of a leading US homosexual rights organization addressed the Democratic National Convention, calling for support of Vice President Al Gore in his bid for the presidency. GERARD BURKHART/AFP/Getty Images ( APW2000081631718 )

Michael Maltenfort, left, and Andy Thayer yell as they are lead away by two police officers for trying to lock and chain one of two doors at the Cook County, Illinois Marriage License Bureau after unsuccessfully requesting a marriage license February 14, 2001 inside Chicago's City Hall. The two were part of a group of Gay rights protesters. The Chicago Anti-Bashing Network organized the protest, called Freedom To Marry Day, to renew attention to gay marriage as an important civil rights issue and to counter anti-gay groups claim that it poses a threat to society. (Photo by Tim Boyle/Newsmakers) ( 38561003gay2_20010701_03553.jpg )

WASHINGTON - JUNE 26: (L-R) Rev. Rob Schenck of the National Clergy Council, Pastor Ken Wilde of the National Prayer Center and Yuko Takatsubaki of Portland Bible College in Portland, Oregon, pray outside the U.S. Supreme Court after a ruling on homosexual and privacy rights June 26, 2003 in Washington, DC. The U.S. Supreme Court ruled that states cannot ban sodomy between consenting adults. (Photo by Alex Wong/Getty Images) ( 2114364AW004_ruling )

TRENTON, NJ - JANUARY 12: Gay Rights activists celebrate after New Jersey Governor James E. McGreevey signed the "Domestic Partnership Act" into law in his office at the New Jersey Statehouse January 12, 2004 in Trenton, New Jersey. Under the "Domestic Partnership Act" rights and legal protections will be granted to same-sex couples and elderly, opposite-sex domestic partners who share residence and basic living expenses. (Photo by William Thomas Cain/Getty Images) ( 2860914WC008_Partnership_Ac )

WASHINGTON - MARCH 3: Panel members Pastor Daniel de Leon Sr. (R), Hilary Shelton (2nd R), Chuck Muth (C), Professor Lea Brilmayer (2nd L), and Nebraska Attorney General Jon Bruning listen to opening statements during a hearing before the U.S. Senate Judiciary Constitution, Civil Rights and Property Subcommittee March 3, 2004. The committee convened to examine marriage laws. (Photo by Brendan Smialowski/Getty Images) ( 3025489BS003_Judiciary )

PALM SPRINGS, CA - APRIL 16: Richard Sousa stands to the left of his partner of 52 years, Geri Pranger, as they are applauded after a speaker made a point about gay marriage at the 2004 Log Cabin Republicans National Convention and Liberty Education Forum National Symposium April 16, 2004 in Palm Springs, California. Convention officials say that this is the most important convention in the organization's history taking place during "the most important time in the movement for civil rights for all Americans." The Log Cabin Republicans represent conservative gays and lesbians. (Photo by David McNew/Getty Images) ( 3372435DM001_LogCabin )

ASBURY PARK, NJ - FEBRUARY 21: Kevin Pilla (L), 43, and his partner of 23 years Thomas Mannix, 44, with dog Buddy, prepare for their civil union ceremony that will take place at midnight February 22, 2007 in Asbury Park, New Jersey. The couple was registered as a domestic partnership in 1993 in New York and 2004 in New Jersey. They registered Monday in Asbury park and their new civil union status will give them more local and state rights. (Photo by Colin Archer/Getty Images) ( 73376397CA001_civil_unions )

WASHINGTON - APRIL 12: With members of law enforcement and human rights organizations, Sen. Ted Kennedy (D-MA) speaks during a news conference at the U.S. Capitol April 12, 2007 in Washington, DC. Sen. Kennedy and Sen. Gordon Smith (R-OR) introduced the Local Law Enforcement Hate Crimes Prevention Act, which has been named in honor of Matthew Shepard, who was murdered when he was brutally beaten, tied to a fence and left for dead in an anti-gay hate crime in Wyoming in October 1998. (Photo by Chip Somodevilla/Getty Images) ( 73859134CS005_Sens_Gordon_S )

SALEM, OR - MAY 9: Oregon Governor Ted Kulongoski (D) holds up two bills signed into law at the Oregon State Capital May 9, 2007 in Salem, OR. The Oregon Family Fairness Act, a bill that creates a new statute in Oregon law that would legally recognize committed same-sex relationships as Domestic Partnerships and The Oregon Equality Act, a non-discrimination bill that would prohibit discrimination in employment, housing and public accommodation, on the basis of sexual orientation. (Photo by Craig Mitchelldyer/Getty Images) ( 74100288CM004_law )

PORTLAND, OR - FEBRUARY 4: Kamm Prongay (2nd R) and Liz Kellogg (R) embrace as they register as Domestic Partners at the Multnomah County building February 4, 2008 in Portland, Oregon. Domestic partnership law that allows gay couples many of the same benefits as married couples, belatedly took effect after a federal judge's ruling on disqualifying petition signatures, including joint tax returns and the ability to make medical decisions on each other's behalf among others. (Photo by Craig Mitchelldyer/Getty Images) ( 51335199 )

PORTLAND, OR - FEBRUARY 4: Jessica Blaylock, 9 months pregnant and due in two days, and her partner of nine-years Megan Greenauer, cheer after registering as domestic partners at the Multnomah County building February 4, 2008 in Portland, Oregon. Domestic partnership law that allows gay couples many of the same benefits as married couples, belatedly took effect after a federal judge's ruling on disqualifying petition signatures, including joint tax returns and the ability to make medical decisions on each other's behalf among others. (Photo by Craig Mitchelldyer/Getty Images) ( 51335201 )

OAKLAND, CA - JUNE 16: Roosevelt Mosby (R), a gay man, argues with an opponent of same-sex marriage outside of Oakland City Hall June 16, 2008 in Oakland, California. Same-sex marriages will become legal today at 5 p.m. (Photo by Justin Sullivan/Getty Images) ( 81408099JS004_GAY_MARRIAGES )

SAN FRANCISCO - JUNE 16: Del Martin (L) is kissed by San Francisco mayor Gavin Newsom (C) as Martin and her partner Phyllis Lyon (R) are married by in a private ceremony at San Francisco City Hall June 16, 2008 in San Francisco, California. Martin and Lyon were the first couples to be married in San Francisco as same-sex marriages become legal in California. (Photo by Marcio Jose Sanchez-Pool/Getty Images) ( 81408099JS013_GAY_MARRIAGES )

BEVERLY HILLS, CA - JUNE 16: Guests, onlookers, and protesters surround lesbian couple Robin Tyler and Diane Olson (R) as they talk to the media after they are joined in the first legally recognized same-sex marriage in Los Angeles County, outside the Beverly Hills courthouse on June 16, 2008 in Beverly Hills, California. The two were plaintiffs in one of the lawsuits that led to the overturning of California's gay marriage ban. Gay and Lesbian marriages became legal in California at 5:01 p.m. The California Supreme Court refused to stay its decision legalizing same-sex marriage despite calls by conservative and religious opponents, before an initiative to amend the state constitution to ban gay marriage goes to ballot in November. A study released by University of California Los Angeles (UCLA) this month projects that nearly half of the state's 102,600 same-sex couples will marry in the next three years and, along with same-sex couples from other states, will spend more than $683 million on weddings, honeymoons and other marriage-related activities. (Photo by David McNew/Getty Images) ( 81580409DM010_COUPLE_THAT_C )

WEST HOLLYWOOD, CA - JUNE 17: Actor George Takei (R), known for his role in the science fiction TV series Star Trek, and his fiance Brad Altman talk to reporters while other gay couples wed as the era of same-sex marriage begins in California, June 17, 2008 in West Hollywood, California. Takei and Altman will marry at the Japanese National Museum in Los Angeles. Conservative and religious groups hope that voters will support their initiative on the November ballot to alter the state constitution to permanently ban gay marriages. Meanwhile, many business owners are looking for a wedding related sales boom. A study released by University of California Los Angeles (UCLA) this month projects that nearly half of the state's 102,600 same-sex couples will marry in the next three years and, along with same-sex couples from other states, will spend more than $683 million on weddings, honeymoons and other marriage-related activities. (Photo by David McNew/Getty Images) ( 81085458DM010_GAY_MARRIAGE_ )

WEST HOLLYWOOD, CA - JUNE 17: Tori (L) and Kate Kendall, who already share the same last name and have a five-month-old baby, celebrate after being joined in wedlock as the era of same-sex marriage begins in California, June 17, 2008 in West Hollywood, California. Conservative and religious groups hope that voters will support their initiative on the November ballot to alter the state constitution to permanently ban gay marriages. Meanwhile, many business owners are looking for a wedding related sales boom. A study released by University of California Los Angeles (UCLA) this month projects that nearly half of the state's 102,600 same-sex couples will marry in the next three years and, along with same-sex couples from other states, will spend more than $683 million on weddings, honeymoons and other marriage-related activities. (Photo by David McNew/Getty Images) ( 81085458DM020_GAY_MARRIAGE_ )

IRVINE, CA - OCTOBER 16: The Rev. Dr. Paul Tellstrom (R), pastor of the Irvine United Congressional Church, volunteers at a phone bank to urge Californians to vote no on Proposition 8, which would outlaw same-sex marriages throughout California, in conservative-leaning Orange County on October 16, 2008 in Tustin, California. As same-sex marriages became legal in California on June 16, conservative churches vowed to fight it and are spearheading passage of Proposition 8 which would change the state constitution to recognize only marriages between one man and one woman as legal. Funding for the campaign to pass Prop 8 has dwarfed that of their opponents in large part because of the resources of conservative churches which maintain that homosexuality is sinful. (Photo by David McNew/Getty Images) ( 83286583DM002_ANTI_GAY_MARR )

LOS ANGELES, CA - OCTOBER 24: Supporters of Proposition 8, which would outlaw same-sex marriage throughout California, rally during a 'Yes on 8 bus tour' stop at St. Frances X Cabrini Church on October 24, 2008 in Los Angeles, California. As same-sex marriages became legal in California on June 16, conservative churches vowed to fight it and are spearheading passage of Proposition 8 which would change the state constitution to recognize only marriages between one man and one woman as legal. Funding for the campaign to pass Prop 8 has dwarfed that of their opponents in large part because of the resources of conservative churches which maintain that homosexuality is sinful. (Photo by David McNew/Getty Images) ( 83286583DM037_ANTI_GAY_MARR )

LOS ANGELES, CA - NOVEMBER 6: Police officers detain a man as hundreds of mostly peaceful supporters of same-sex marriage march for miles in protest against the Church of Jesus Christ of Latter-day Saints November 6, 2008 in Los Angeles, California. The protest, which began outside the Los Angeles Mormon temple, opposes massive financial contributions to the Proposition 8 campaign, which voters passed and which changes the California Constitution to make gay marriage illegal. When same-sex marriages became legal in California on June 16, conservative churches vowed to fight it and successfully passed Proposition 8 with funds that dwarfed that of their opponents. Demonstrators say the Mormon Church contributed some $35 million to pass the measure. (Photo by David McNew/Getty Images) ( 83569263DM003_PROP_8_OPPOSI )

LOS ANGELES, CA - NOVEMBER 6: Hundreds of supporters of same-sex marriage march for miles in protest against the Church of Jesus Christ of Latter-day Saints November 6, 2008 in Los Angeles, California. The protest, which began outside the Los Angeles Mormon temple, opposes massive financial contributions to the Proposition 8 campaign, which voters passed and which changes the California Constitution to make gay marriage illegal. When same-sex marriages became legal in California on June 16, conservative churches vowed to fight it and successfully passed Proposition 8 with funds that dwarfed that of their opponents. Demonstrators say the Mormon Church contributed some $35 million to pass the measure. (Photo by David McNew/Getty Images) ( 83569263DM018_PROP_8_OPPOSI )

LOS ANGELES, CA - NOVEMBER 6: Supporters of same-sex marriage demonstrate near the Los Angeles Mormon Temple, in the distance, before marching for miles in protest against the Church of Jesus Christ of Latter-day Saints November 6, 2008 in Los Angeles, California. The protest, which began outside the Los Angeles Mormon temple, opposes massive financial contributions to the Proposition 8 campaign, which voters passed and which changes the California Constitution to make gay marriage illegal. When same-sex marriages became legal in California on June 16, conservative churches vowed to fight it and successfully passed Proposition 8 with funds that dwarfed that of their opponents. Demonstrators say the Mormon Church contributed some $35 million to pass the measure. (Photo by David McNew/Getty Images) ( 83569263DM029_PROP_8_OPPOSI )

SACRAMENTO, CA - NOVEMBER 22: Thomas Losa (L) and Travis Coble listen to speakers at a rally in support of gay marriage on the steps of the State Capitol November 22, 2008 in Sacramento, California. People across the country continue to protest the passing of California State Proposition 8 which makes gay marriage in California illegal. (Photo by Max Whittaker/Getty Images) ( 56243242 )

SACRAMENTO, CA - NOVEMBER 22: Opponents of gay marriage demonstrate November 22, 2008 in Sacramento, California. People across the country continue to protest the passing of California State Proposition 8 which makes gay marriage in California illegal. (Photo by Max Whittaker/Getty Images) ( 56243333 )

SACRAMENTO, CA - NOVEMBER 22: Ken Brendel (C) and Dana Edgar (R) march in support of gay marriage on the steps of the State Capitol November 22, 2008 in Sacramento, California. People across the country continue to protest the passing of California State Proposition 8 which makes gay marriage in California illegal. (Photo by Max Whittaker/Getty Images) ( 56243335 )

Kate Kuykendall (R) and her wife Tori Kuykendall (L) with their daughter Zadie -1, during a gay rights rally against the Proposition 8 measure at the El Pueblo de Los Angeles park on March 4, 2009. California's top lawyer called for the result of a referendum effectively banning same-sex marriage to be quashed, ahead of the latest court-room showdown over the issue. Attorney General Jerry Brown said the ballot measure known as Proposition 8, which redefined marriage in California as a union between a man and a woman, should be invalidated because it "discriminates against same-sex couples." MARK RALSTON/AFP/Getty Images ( Was2204601 )

LOS ANGELES, CA - MARCH 04: A marcher waves a gay rainbow flag over the 101 freeway as same-sex marriage supporters rally on the eve of a state Supreme Court hearing on Proposition 8, the initiative that changed the Constitution to make gay marriage illegal, on March 4, 2009 in Los Angeles, California. An estimated 18,000 same-sex couples were married from May 16, 2008 when the state Supreme Court in a 4-3 decision ruled that the state's constitution gives gays and lesbians the right to marry, and November 4 when voters approved Propostion 8. The court is scheduled to hear oral arguments and related court petitions tomorrow seeking to overturn the measure. (Photo by David McNew/Getty Images) ( 56901176 )

LOS ANGELES, CA - MARCH 04: Wesley Gann and Jerry Johnson (R), who were legally married, join same-sex marriage supporters rallying on the eve of a state Supreme Court hearing on Proposition 8, the initiative that changed the Constitution to make gay marriage illegal, on March 4, 2009 in Los Angeles, California. An estimated 18,000 same-sex couples were married from May 16, 2008 when the state Supreme Court in a 4-3 decision ruled that the state's constitution gives gays and lesbians the right to marry, and November 4 when voters approved Propostion 8. The court is scheduled to hear oral arguments and related court petitions tomorrow seeking to overturn the measure. (Photo by David McNew/Getty Images) ( 56901167 )

DES MOINES, IA - APRIL 27: Amy Klein-Matheny (L) gets a kiss from her partner Jennifer before getting married in the Polk County Administration Building April 27, 2009 in Des Moines, Iowa. Today was the first day gay couples were allowed to marry in the state following an April 3, 2009 ruling by the Iowa Supreme Court which declared a legislative ban on same-sex marriage unconstitutional. (Photo by Scott Olson/Getty Images) ( 57300358 )

Attorney Gloria Allred writes in the phrase "except for gays and lesbians" on a posterboard showing a portion of the California Constitution Declaration of Rights, after hearing the California Supreme Court decision to uphold Prop 8, a voter-approved ban on same-sex marriage, during a press conference at Allred's offices in Los Angeles on May 26, 2009. The 18,000 gay couples who wed in the brief time same-sex marriage was legal last year will stay married, but no new same-sex marriages will be permitted. ROBYN BECK/AFP/Getty Images ( Was2361625 )

SAN FRANCISCO - MAY 26: Supporters of same-sex marriage block Van Ness Avenue following the California Supreme Court's ruling to uphold Proposition 8 May 26, 2009 in San Francisco, California. The California State Supreme Court voted 6-1 to uphold proposition 8 which makes it illegal for same-sex couples to marry in the state of California. More than 18,000 same-sex couples that wed before prop 8 was voted in will still be legally married. (Photo by Justin Sullivan/Getty Images) ( 57538091 )

LOS ANGELES, CA - MAY 26: Supporters of same-sex marriage carry signs during a rally in at Hollywood and Highland following the California Supreme Court's ruling to uphold Proposition 8 on May 26, 2009 in Los Angeles, California. The California State Supreme Court voted 6-1 to uphold proposition 8 which makes it illegal for same-sex couples to marry in the state of California. More than 18,000 same-sex couples that wed before prop 8 was voted in will still be legally married. (Photo by Kevork Djansezian/Getty Images) ( 57539472 )

WASHINGTON - JUNE 17: U.S. President Barack Obama shakes hands with gay rights activist Frank Kameny (3R) after he signed a memorandum on federal benefits and non-discrimination as (L-3L) Vice President Joseph Biden, Rep. Barney Frank (D-MA), and Sen. Joseph Lieberman (I-CT) look on in the Oval Office of the White House June 17, 2009 in Washington, DC. Obama signed the memorandum to extend benefits to same-sex partners of federal employees. (Photo by Alex Wong/Getty Images) ( 57713116 )

SACRAMENTO, CA - JUNE 17: Jessica Belmonte (L) and her friend Ashley Lamb celebrate the one-year anniversary of a California Supreme Court ruling allowing same-sex marriages, during a press conference June 17, 2009 in Sacramento, California. On June 16, 2008, the California Supreme Court ruled providing a constitutional right to same-sex marriages went into effect, only later in November for it to be overturned by voters. The courts then announced a ruling on May 19 upholding Proposition 8, which banned gay marriages in California; but also upheld the marriages that had been performed before the proposition passed were still valid. (Photo by Max Whittaker/Getty Images) ( 57714508 )

SAN FRANCISCO, CA - JUNE 28: Celebrity Grand Marshals Lt. Dan Choi, a graduate of West Point and Actress Cloris Leachman takes part in the 39th annual gay pride parade June 28, 2009 in San Francisco, California. The parade drew hundreds of thousands of people to downtown San Francisco to celebrate gay, lesbian, bisexual and transgender pride. (Photo by David Paul Morris/Getty Images) ( 57805318 )

WASHINGTON - JUNE 29: (AFP OUT) U.S. President Barack Obama and first lady Michelle Obama host a reception for Lesbian Gay Bisexual Transgender Pride Month in the East Room of the White House on June 29, 2009 in Washington, DC. The Stonewall riots are celebrating its 40th anniversary this week which launched the gay-rights movement. (Photo by Kristoffer Tripplaar-Pool/Getty Images) ( 57815599 )

WASHINGTON - OCTOBER 11: Activists march during a protest October 11, 2009 in Washington, DC. Activists gathered in DC to push President Barack Obama's administration and the U.S. Congress to live up to promises to the lesbian, gay, bisexual and transgender community to advance civil rights. (Photo by Brendan Smialowski/Getty Images) ( 58613204 )

WASHINGTON - MARCH 09: WASHINGTON - MARCH 09: DC Mayor Adrian Fenty (C) poses for photos with newly wed couples, (L-R) Rocky Galloway, Reggie Stanley, Candy Holmes and Darlene Garner after their weddings on the first day same-sex couples are legal to wed under a new law March 9, 2010 in Washington, DC. The District of Columbia has become the sixth in the nation to recognize same-sex marriage. (Photo by Alex Wong/Getty Images) (Photo by Alex Wong/Getty Images) ( 59862372 )

DENVER, CO. - MAY 01: David Westman struggles putting a ring on Anthony Aragon's finger during their civil union ceremony at the Webb Building in Denver CO, May 01, 2013. The Clerk and Recorder's Office opened for business from midnight to 3 a.m. to issue civil union licenses to couples on May 01, 2013 when the Civil Union Act became law. One Colorado offered a civil-union celebration for couples in the building's atrium from midnight to 2 a.m., as judges, magistrates and other officiants performed the ceremonies. Colorado became the latest state to recognize the legal rights of same-sex couples — through marriage or civil unions — when Gov. John Hickenlooper signed state Senate Bill 11 into law March 21. (Photo By Craig F. Walker/The Denver Post) ( CIVILUNION__CW17730 )

DENVER, CO-May 01, 2013: Erin Ivie, 23, left, and her partner Kristyn Lindstrom, 25, leave to do wedding photos, outside in the snow, after their civil-union ceremony in downtown Denver, May 01, 2013. Hundreds of Colorado gay and lesbian couples put an official government seal on their relationships. (Photo By RJ Sangosti/The Denver Post) ( CIVIL_RJ16475 )

WASHINGTON - NOVEMBER 15: Members of the U.S. Park Police arrest a veteran and gay rights activist who has handcuffed himself to the fence of the White House during a protest November 15, 2010 in Washington, DC. Activists staged the protest to call on the Obama Administration and Senate Majority Leader Harry Reid to keep their promises on repealing the "Don?t Ask, Don?t Tell" policy, which prevented gay people from serving openly, during the lame-duck session of the Congress. (Photo by Alex Wong/Getty Images) ( 62478678 )

NEW YORK, NY - JUNE 26: Revelers kiss following the Gay Pride parade on June 26, 2011 in New York City. The parade took on extra significance following Friday night's legalization of same-sex marriage in New York, often regarded as the birthplace of the gay rights movement. (Photo by Mario Tama/Getty Images) ( 65337653 )

NEW YORK, NY - JULY 24: Same-sex couple Ray Durand (L) and his partner Dale Shields kiss while having their picture taken after their wedding ceremony at the Manhattan City Clerk's office on the first day New York State's Marriage Equality Act goes into effect July 24, 2011 in New York City. Today was the first day gay couples were allowed to legally marry in New York State after Gov. Andrew Cuomo signed the historic legislation into law. (Photo by David Handschuh-Pool/Getty Images) ( 65680012 )

CHARLESTON, SC - JANUARY 21: Protesters affiliated with the Occupy Wall Street movement are forcibly removed from a primary night event held by Republican presidential candidate, former U.S. Sen. Rick Santorum after protesting Santorum's stance on gay-rights at the end of the rally, on January 21, 2012 in Mark Clark Hall at the Citadel in Charleston, South Carolina. Former Speaker of the House Newt Gingrich took first place in the South Carolina Primary, with Santorum placing third. (Photo by Andrew Burton/Getty Images) ( 68090553 )

LOS ANGELES, CA - FEBRUARY 07: Los Angeles Mayor Antonio Villaraigosa (R) greets opponents of Proposition 8, California's anti-gay marriage bill, Oscar winning writer Dustin Lance Black (L), for the film "Harvey Milk" and actor Robert Reiner (C) during a celebration at Los Angeles City Hall on February 7, 2012 in Los Angeles, California. A three-judge panel of the 9th U.S. Circuit Court of Appeals ruled that the voter-approved Proposition 8 measure violates the civil rights of gay men and lesbians (Photo by Kevork Djansezian/Getty Images) ( 68309931 )

Same-sex marriage supporters shout slogans in front of the US Supreme Court on March 26, 2013 in Washington, DC. The US Supreme Court on Tuesday takes up the emotionally charged issue of gay marriage as it considers arguments that it should make history and extend equal rights to same-sex couples. Waving US and rainbow flags, hundreds of gay marriage supporters braved the cold to rally outside the court along with a smaller group of opponents, some pushing strollers. Some slept outside in hopes of witnessing the historic hearing. JEWEL SAMAD/AFP/Getty Images ( Was7402039 )

A same-sex marriage supporter (L) and their opponent (R) scuffle during a demonstration in front of the US Supreme Court on March 26, 2013 in Washington, DC. The US Supreme Court on Tuesday takes up the emotionally charged issue of gay marriage as it considers arguments that it should make history and extend equal rights to same-sex couples. Waving US and rainbow flags, hundreds of gay marriage supporters braved the cold to rally outside the court along with a smaller group of opponents, some pushing strollers. Some slept outside in hopes of witnessing the historic hearing. JEWEL SAMAD/AFP/Getty Images ( Was7401972 )

Plaintiff of the US v. Windsor case challenging the constitutionality of Section 3 of the Defense of Marriage Act (DOMA), 83-year-old lesbian widow Edie Windsor (C), greets same-sex marriage supporters as she leaves the Supreme Court on March 27, 2013 in Washington, DC. The US Supreme Court tackled same-sex unions for a second day Wednesday, hearing arguments for and against the 1996 US law defining marriage as between one man and one woman. After the nine justices mulled arguments on a California law outlawing gay marriage on Tuesday, they took up a challenge to the constitutionality of the federal Defense of Marriage Act (DOMA). The 1996 law prevents couples who have tied the knot in nine states -- where same-sex marriage is legal -- from enjoying the same federal rights as heterosexual couples. JEWEL SAMAD/AFP/Getty Images ( Was7405224 )

Former US Army Lt. Dan Choi(L), a gay rights activist and opponent of "Don't ask Don't Tell", stands with Joe Beasley (2L), of the Rainbow Push, American Civil Rights era icon Reverend C.T. Vivian (2R) and Dr. Charles Steele Jr. (R), Chief Executive Officer of the Southern Christian Leadership Conference at the E. Barrett Prettyman Federal Courthouse March 28, 2013 in Washington, DC. The trial of Choi, which began in August 2011, resumes Thursday in federal court. The former Iraq War vet and graduate of West Point is going to trial to face charges that stem from a November 2010 arrest for chaining himself to the White House fence to protest Don't Ask, Don't Tell. BRENDAN SMIALOWSKI/AFP/Getty Images ( Was7406778 )

Supporters of Amnesty International demonstrate in favor of LGBT (lesbian, gay, bisexual, and transgender) rights at Dupont Circle in Washington on April 12, 2013 as Amnesty International USA holds a series of rallies outside embassies and in public spaces to show solidarity with political prisoners during the annual "Get on the Bus" event. NICHOLAS KAMM/AFP/Getty Images ( Was7446741 )

WASHINGTON, DC - JUNE 24: Gay rights activists Meghan Cleary (L) and Sarah Beth Alcabes from Berkley, CA kiss front of the U.S. Supreme Court building as Vin Testa of DC waves a flag June 24, 2013 in Washington DC. The high court is expected to rule this week on some high profile decisions including California's Proposition 8, the controversial ballot initiative that defines marriage as between a man and a woman. (Photo by Win McNamee/Getty Images) ( 75238197 )

WASHINGTON, DC - JUNE 25: Plaintiff couple Sandy Stier (L) and Kris Perry (R) arrive for their Proposition 8 case before the U.S. Supreme Court outside the U.S. Supreme Court building on June 25, 2013 in Washington, DC. The high court convened again today to rule on some high profile decisions including two on gay marriage and one on voting rights. (Photo by Win McNamee/Getty Images) ( 75251614 )

Television news crews gather in front of the US Supreme Court in Washington,DC on June 25, 2013. The high court convened again today to rule on some high profile decisions including including two on gay marriage and one on voting rights. NICHOLAS KAMM/AFP/Getty Images ( Was7674740 )