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Buffalo Soilders of America ride during the MLK day parade, Monday, Jan. 21, 2013 in Mesa, Ariz. The nation honored civil rights leader Martin Luther King Jr. on Monday. (AP Photo/Matt York)

Participants in the 28th annual Martin Luther King Jr. Holiday Parade walk down 2nd Street in Memphis, Tenn. Monday, Jan. 21, 2013. Hundreds marched from the Pinch District to the National Civil Rights Museum to commemorate the birthday of civil rights leader Martin Luther King Jr. (AP Photo/The Commercial Appeal, Mike Brown)

A group carries letters spelling "BELIEVE" as they take part in a march honoring Martin Luther King Jr., Monday, Jan. 21, 2013, in San Antonio. (AP Photo/Eric Gay)

Thousands take part in a march honoring Martin Luther King Jr., Monday, Jan. 21, 2013, in San Antonio. (AP Photo/Eric Gay)

Miami-Dade carnival dancers perform at the annual Martin Luther King Day parade in Miami, Monday, Jan. 21, 2013, as the nation honors civil rights leader Martin Luther King Jr. (AP Photo/Alan Diaz)

The annual Memorial March to honor Martin Luther King, Jr. steps off in Perry Square in Erie, Pa., on Monday, Jan. 21, 2013. The event began in Perry Square in downtown Erie and ended about four blocks away at the Martin Luther King Center on West Fourth and Chestnut streets in Erie. More than 300 participated in the event, according to organizer Gary Horton. (AP Photo/Erie Times-News, Andy Colwell)

People stand beneath the Martin Luther King Jr. Memorial before the Inauguration ceremony on January 21, 2013 in Washington, DC. U.S. President Barack Obama, will be ceremonially sworn in for his second term today which coincides the Martin Luther King Day Jr. day, a federal holiday. (Photo by Mario Tama/Getty Images)

Rev. Bernice King (R), daughter of slain civil rights leader Martin Luther King, Jr, smiles following the ceremonial swearing-in of President Barack Obama on her father's bible along with Christine King Farris (C), and the Rev. Samuel Rodriquez as they watch from Ebenezer Baptist Church following the 45th Martin Luther King, Jr. Annual Commemorative Service in Atlanta, Georgia, January 21, 2013. REUTERS/Tami Chappell

Sheneal Davis, of McDonald, Ga., joins in a song during the annual Dr. Martin Luther King Jr. holiday service at the Ebenezer Baptist Church, Monday, Jan. 21, 2013, in Atlanta. The nation will honor civil rights leader Martin Luther King Jr. on Monday, the same day as it celebrates the inauguration of the first black president to his second term. (AP Photo/David Goldman)

Christine King Farris, sister of slain civil rights leader Martin Luther King, Jr., smiles as President Barack Obama is sworn in on her brother's bible as she watches from Ebenezer Baptist Church following the 45th Martin Luther King, Jr. Annual Commemorative Service in Atlanta, Georgia, January 21, 2013. REUTERS/Tami Chappell

Dr.Bernice King, CEO of the King Center speaks during the 45th Martin Luther King, Jr. Annual Commemorative Service in Atlanta, Georgia, January 21, 2013. REUTERS/Tami Chappell

A placard and a wreath mark the spot where Martin Luther King Jr. was fatally shot at the old Lorraine Motel on Monday, Jan. 21, 2013 in Memphis, Tenn. The motel is now the site of the National Civil Rights Museum, which hosted several events to celebrate Martin Luther King. Jr. Day. (AP Photo/Adrian Sainz)

Mavis Salazar of the Aztlan Nation in Denver holds smoking incense as she blesses the MLK statue at the start of the Martin Luther King Jr. Marade as it winds out of City Park on it's way downtown. The marade, march/parade, started at the MLK statue in the City Park on Monday, January 21, 2013. (Photo By Cyrus McCrimmon / The Denver Post)

Michelle Dahlke and her son, Ashton Dahlke, 4, watch a band during the MLK Day parade, Monday, Jan. 21, 2013 in Mesa, Ariz. The nation honored civil rights leader Martin Luther King Jr. on Monday. (AP Photo/Matt York)

Kyah Daniels ,13, performs with KIPP in annual MLK parade Monday Jan. 21, 2013 ij Tulsa, Okla. The nation was honoring civil rights leader Martin Luther King Jr. on Monday, the same day it celebrated the inauguration of the first black president to his second term. (AP Photo/Tulsa World, Mike Simons)

A group carries a rainbow flag as they take part in a march honoring Martin Luther King Jr., Monday, Jan. 21, 2013, in San Antonio. The nation honors civil rights leader Martin Luther King Jr. on Monday, the same day as it celebrates the inauguration of the first black president to his second term. (AP Photo/Eric Gay)

Riders pass a mural as they take part in a march honoring Martin Luther King Jr., on Martin Luther King Day, Monday, Jan. 21, 2013, in San Antonio. The nation honors civil rights leader Martin Luther King Jr. on Monday, the same day as it celebrates the inauguration of the first black president to his second term. (AP Photo/Eric Gay)

Marilyn Smith holds up a painting of Rev. Martin Luther King made by her godson during the 19th Annual MLK Grande Parade by the MLK Parade Foundation in Houston, Monday, Jan. 21, 2013. (AP Photo/Houston Chronicle, Karen Warren)

Roladria Fields shouts from a trailer being pulled in the back of the 28th annual Martin Luther King Jr. Holiday Parade through the streets of downtown Memphis, Tenn. Monday, Jan. 21, 2013. Hundreds marched from the Pinch District to the National Civil Rights Museum to commemorate the birthday of civil rights leader Martin Luther King Jr. (AP Photo/The Commercial Appea, Mike Brown)

In a Sunday Jan. 20, 2012 photo, the Martin Luther King Jr. Community Youth Choir performs during an event to honor Dr. King and his legacy at the Fort Walton Beach High School auditorium, in Fort Walton Beach, Fla. Hundreds of people gathered to honor and remember the legacy of civil rights activist Dr. Martin Luther King Jr. (AP Photo/Northwest Florida Daily News, Nick Tomecek)

University of Texas at Brownsville student Cinthia Baleon volunteers with Ebony Lake resident Beatrice Dominguez on Monday, Jan. 21, 2013 as a day of service to honor Martin Luther King Jr. in Brownsville, Texas. (AP Photo/The Brownsville Herald, Brad Doherty)

Dr. Thomas Freeman, center, is greeted by Marcy Bannor, right, at the Children's Museum of Houston, Monday, Jan. 21, 2013, in Houston.on Martin Luther King Day. Freeman, former teacher of Rev. Dr. King, Jr. and Rep. Barbara Jordan, received the Caryakid Award at the museum. (AP Photo/Houston Chronicle, Cody Duty)

St. Paul's Martin Luther King Day Celebration "Moving Beyond Tolerance to Allophilia" is kicked off with an abbreviated march and then a speech by Kevin Lindsey, Commissioner of Minnesota Department of Human Rights. (AP Photo/The Star Tribune, Brian Peterson)

Participants head down Court Avenue during the 8th annual Martin Luther King Day Celebration in Sevierville, Tenn. on Monday Jan. 21, 2013. (AP Photo/The Mountain Press, Curt Habraken)

The Martin Luther King Jr. Marade (march/parade) started at City Park and finished downtown. Joseph Wiggins of Denver holds a portrait of King as he listens to speakers at the MLK statue in City Park before the start of the march/parade on Monday, January 21, 2013. (Photo By Cyrus McCrimmon / The Denver Post)

The Martin Luther King Jr. Marade (march/parade) started at City Park and finished downtown. Lisa Ward of Denver holds aloft a portrait of King as she listens to speakers at the MLK statue in City Park before the start of the march/parade on Monday, January 21, 2013. (Photo By Cyrus McCrimmon / The Denver Post)

There were many symbols of peace in the Martin Luther King Jr. Marade as it winds along E. Colfax Ave. on it's way downtown. The marade, march/parade, started at the MLK statue in the City Park on Monday, January 21, 2013. (Photo By Cyrus McCrimmon / The Denver Post)

Many supporter gathered for the Martin Luther King Jr. Marade as it winds out of City Park on it's way downtown including this Abraham Lincoln lookalike at right. The marade, march/parade, started at the MLK statue in the City Park on Monday, January 21, 2013. (Photo By Cyrus McCrimmon / The Denver Post)

DLarea Edwards, center, and Yves Rhone II , right, sing with a group from the Rapture Missionary Baptist Church as they walk in the Martin Luther King Jr. Marade as it winds along E. Colfax Ave. on it's way downtown. The marade, march/parade, started at the MLK statue in the City Park on Monday, January 21, 2013. (Photo By Cyrus McCrimmon / The Denver Post)

Alpha Kappa Alpha Sorority, Inc., Alpha Pi Omega Chapter president Cheryl Glenn, center, waves to onlookers while marching with fellow sorority members during the Martin Luther King, Jr. Memorial Parade on Martin Luther King, Jr., Boulevard Monday, Jan. 21, 2013, in Knoxville, Tenn. (AP Photo/Knoxville News Sentinel, Adam Brimer)

Participants walk in the city's first march to celebrate Martin Luther King Day on Monday, Jan. 21, 2013, in Midland City, Ala. (AP Photo/The Dothan Eagle, Jay Hare)

Volunteers roll up posters marking the 50th anniversary of Dr. Martin Luther King Jr.'s 'I Have a Dream' speech during the annual holiday commemorative service in his honor at the Ebenezer Baptist Church, Monday, Jan. 21, 2013, in Atlanta. The nation will honor civil rights leader Martin Luther King Jr. on Monday, the same day as it celebrates the inauguration of the first black president to his second term. (AP Photo/David Goldman)

Dr. Thomas Freeman delivers a speech at the Children's Museum of Houston, Monday, Jan. 21, 2013, on Martin Luther King Day in Houston. Freeman, former teacher of Rev. Dr. King, Jr. and Rep. Barbara Jordan, received the Caryakid Award at the museum. (AP Photo/Houston Chronicle, Cody Duty)

Linda Holmes, left, wipes a falling tear off the face of her husband James, as he weeps during the Dr. Martin Luther King Jr. holiday commemorative service at the Ebenezer Baptist Church, Monday, Jan. 21, 2013, in Atlanta. The nation honors civil rights leader Martin Luther King Jr. on Monday, the same day as it celebrates the inauguration of the first black president to his second term. (AP Photo/David Goldman)

Shirley Franklin, center, former mayor of Atlanta, joins hands with Walt Bryde, left, and Jeremiah Bridgewater, right, during the singing of 'We Shall Overcome' to conclude the Dr. Martin Luther King Jr. holiday commemorative service at the Ebenezer Baptist Church, Monday, Jan. 21, 2013, in Atlanta. The nation will honor civil rights leader Martin Luther King Jr. on Monday, the same day as it celebrates the inauguration of the first black president to his second term. (AP Photo/David Goldman)

Sunshine Davis of Atlanta greets attendees at the entrance to the annual Dr. Martin Luther King Jr. holiday commemorative service at the Ebenezer Baptist Church, Monday, Jan. 21, 2013, in Atlanta. The nation will honor civil rights leader Martin Luther King Jr. on Monday, the same day as it celebrates the inauguration of the first black president to his second term. (AP Photo/David Goldman)