Photos: Hillary Clinton Testifies on Benghazi

WASHINGTON, DC - JANUARY 23: U.S. Secretary of State Hillary Clinton leaves after testifying before the Senate Foreign Relations Committee on Capitol Hill January 23, 2013 in Washington, DC. Lawmakers questioned Clinton about the security failures during the September 11 attacks against the U.S. mission in Benghazi, Libya, that led to the death of four Americans, including U.S. Ambassador Christopher Stevens. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JANUARY 23: U.S. Secretary of State Hillary Clinton embraces Sen. John McCain (R-AZ) as Senate Foreign Relations Committee members Sen. Jeff Flake (R-AZ) (L) and Sen. Ron Johnson (R-WI) look on before a hearing with the Senate Foreign Relations Committee on Capitol Hill January 23, 2013 in Washington, DC. Lawmakers questioned Clinton about the security failures during the September 11 attacks against the U.S. mission in Benghazi, Libya, that led to the death of four Americans, including U.S. Ambassador Christopher Stevens. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - JANUARY 23: U.S. Secretary of State Hillary Clinton prepares to testify before the Senate Foreign Relations Committee on Capitol Hill January 23, 2013 in Washington, DC. Lawmakers questioned Clinton about the security failures during the September 11 attacks against the U.S. mission in Benghazi, Libya, that led to the death of four Americans, including U.S. Ambassador Christopher Stevens. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - JANUARY 23: U.S. Secretary of State Hillary Clinton testifies before the Senate Foreign Relations Committee about the September 11 attacks against the U.S. mission in Benghazi, Libya, on Capitol Hill January 23, 2013 in Washington, DC. Lawmakers questioned Clinton about the security failures that led to the death of four Americans, including U.S. Ambassador Christopher Stevens. (Photo by Alex Wong/Getty Images)

US Secretary of State Hillary Clinton(C-back to camera) testifies before the Senate Foreign Relations Committee on the September 11, 2012 attack on the US mission in Benghazi, Libya in the Hart Senate Office Building on January 23, 2013 on Capitol Hill in Washington, DC. Clinton warned of the challenges posed by rising militancy after the Arab Spring as she appeared before US lawmakers Wednesday to be grilled about a deadly attack. "Benghazi didn't happen in a vacuum," Clinton said at the start of a Senate hearing into the September 11 assault on a US mission in eastern Libya. "The Arab revolutions have scrambled power dynamics and shattered security forces across the region." AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images)

WASHINGTON, DC - JANUARY 23: U.S. Secretary of State Hillary Clinton testifies before the Senate Foreign Relations Committee on Capitol Hill January 23, 2013 in Washington, DC. Lawmakers questioned Clinton about the security failures during the September 11 attacks against the U.S. mission in Benghazi, Libya, that led to the death of four Americans, including U.S. Ambassador Christopher Stevens. (Photo by Chip Somodevilla/Getty Images)

US Secretary of State Hillary Clinton testifies before the Senate Foreign Relations Committee on the September 11, 2012 attack on the US mission in Benghazi, Libya, during a hearing on Capitol Hill in Washington, DC, on January 23, 2013. Secy. Clinton warned of the challenges posed by rising militancy after the Arab Spring as she appeared before US lawmakers Wednesday to be grilled about a deadly attack. "Benghazi didn't happen in a vacuum," Clinton said at the start of a Senate hearing into the September 11 assault on a US mission in eastern Libya. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)

WASHINGTON, DC - JANUARY 23: U.S. Secretary of State Hillary Clinton testifies before the Senate Foreign Relations Committee on Capitol Hill January 23, 2013 in Washington, DC. Lawmakers questioned Clinton about the security failures during the September 11 attacks against the U.S. mission in Benghazi, Libya, that led to the death of four Americans, including U.S. Ambassador Christopher Stevens. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JANUARY 23: U.S. Senator John McCain (R-AZ) speaks during a hearing before the Senate Foreign Relations Committee on Capitol Hill January 23, 2013 in Washington, DC. Lawmakers questioned Clinton about the security failures during the September 11 attacks against the U.S. mission in Benghazi, Libya, that led to the death of four Americans, including U.S. Ambassador Christopher Stevens. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JANUARY 23: U.S. Secretary of State Hillary Clinton testifies before the Senate Foreign Relations Committee on Capitol Hill January 23, 2013 in Washington, DC. Lawmakers questioned Clinton about the security failures during the September 11 attacks against the U.S. mission in Benghazi, Libya, that led to the death of four Americans, including U.S. Ambassador Christopher Stevens. (Photo by Alex Wong/Getty Images)

US Secretary of State Hillary Clinton leaves after testifying before the Senate Foreign Relations Committee on the September 11, 2012 attack on the US mission in Benghazi, Libya, during a hearing on Capitol Hill in Washington, DC, on January 23, 2013. US Secretary of State Hillary Clinton on Wednesday warned of rising militancy in the wake of the Arab Spring, in an emotional and at times heated testimony into the deadly Benghazi attack."Benghazi didn't happen in a vacuum," Clinton said at the start of a Senate hearing into the September 11 assault on a US mission in eastern Libya. "The Arab revolutions have scrambled power dynamics and shattered security forces across the region," she told the Foreign Relations committee called to review the lessons learned from the attack, in which US ambassador Chris Stevens and three other Americans were killed.AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)

WASHINGTON, DC - JANUARY 23: U.S. Secretary of State Hillary Clinton testifies before the Senate Foreign Relations Committee about the September 11 attacks against the U.S. mission in Benghazi, Libya, on Capitol Hill January 23, 2013 in Washington, DC. Lawmakers questioned Clinton about the security failures that led to the death of four Americans, including U.S. Ambassador Christopher Stevens. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JANUARY 23: Committee ranking member U.S. Senator Bob Corker (R-TN) (C) speaks as Senator James Risch (R-ID) (L) and committee chairman Senator Robert Menendez (D-NJ) (R) listen during a hearing before the Senate Foreign Relations Committee on Capitol Hill January 23, 2013 in Washington, DC. Lawmakers questioned Clinton about the security failures during the September 11 attacks against the U.S. mission in Benghazi, Libya, that led to the death of four Americans, including U.S. Ambassador Christopher Stevens. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JANUARY 23: U.S. Secretary of State Hillary Clinton testifies before the Senate Foreign Relations Committee on Capitol Hill January 23, 2013 in Washington, DC. Lawmakers questioned Clinton about the security failures during the September 11 attacks against the U.S. mission in Benghazi, Libya, that led to the death of four Americans, including U.S. Ambassador Christopher Stevens. (Photo by Chip Somodevilla/Getty Images)