
The Senate Foreign Relations Committee holds a hearing with Deputy Secretary of State Thomas Nides (right), who is in charge of management, and Deputy Secretary of State William J. Burns (left), who is in charge of policy, on Capitol Hill in Washington on Thursday, Dec. 20, 2012. The two officials testified on a report this week that said serious bureaucratic mismanagement was responsible for inadequate security at the mission in Benghazi, Libya, where the U.S. ambassador and three other Americans were killed on Sept. 11. (AP Photo/J. Scott Applewhite)

** FILE ** Sen. John F. Kerry, Massachusetts Democrat and chairman of the Senate Foreign Relations Committee, leads a hearing on the attack on the U.S. Consulate in Benghazi, Libya, where the U.S. ambassador and three other Americans were killed Sept. 11, on Capitol Hill in Washington on Thursday, Dec. 20, 2012. (AP Photo/J. Scott Applewhite)

The Senate Foreign Relations Committee holds a hearing with Deputy Secretary of State William J. Burns (left), who is in charge of policy, and Deputy Secretary of State Thomas Nides (right), who is in charge of management, on Capitol Hill in Washington on Thursday, Dec. 20, 2012. The two testified regarding an independent review panel's report that said serious bureaucratic mismanagement was responsible for inadequate security at the mission in Benghazi, Libya, where the U.S. ambassador and three other Americans were killed on Sept. 11. (AP Photo/J. Scott Applewhite)

Sen. John F. Kerry, Massachusetts Democrat, who is chairman of the Senate Foreign Relations Committee, leads a hearing on the attack on the U.S. Consulate in Benghazi, Libya, where the ambassador and three other Americans were killed Sept. 11, on Capitol Hill in Washington on Thursday, Dec. 20, 2012. Sen. Richard G. Lugar (left), Indiana Republican, is the ranking GOP member on the panel. (AP Photo/J. Scott Applewhite)

The Senate Foreign Relations Committee holds a hearing with Deputy Secretary of State Thomas Nides (right), who is in charge of management, and Deputy Secretary of State William J. Burns (left), who is in charge of policy, on Capitol Hill in Washington on Thursday, Dec. 20, 2012, after an independent review panel said this week that serious bureaucratic mismanagement was responsible for inadequate security at the mission in Benghazi, Libya, at which the U.S. ambassador and three other Americans were killed on Sept. 11. (AP Photo/J. Scott Applewhite)

Deputy Secretary of State William J. Burns (left), who is in charge of policy, and Deputy Secretary of State Thomas Nides (second from left), who is in charge of management, leave a hearing room on Capitol Hill in Washington on Thursday, Dec. 20, 2012, after testifying before the Senate Foreign Relations Committee about the attack on the U.S. Consulate in Benghazi, Libya, in which the U.S. ambassador and three other Americans were killed on Sept. 11. Secretary of State Hillary Rodham Clinton had been scheduled to testify but canceled after fainting and sustaining a concussion last week. (AP Photo/J. Scott Applewhite)

Deputy Secretary of State William J. Burns (left) and Thomas R. Nides, deputy secretary of state for management and resources, speak before the Senate Foreign Relations Committee at a hearing on Thursday, Dec. 20, 2012, on the Benghazi attack. (Barbara L. Salisbury/The Washington Times)

Senate Foreign Relations Committee Chairman John F. Kerry, Massachusetts Democrat, has been a trooper on foreign policy for President Obama, flying to Afghanistan and Pakistan many times to discuss diplomatic issues. (Associated Press)

Senate Foreign Relations Committee Chairman John F. Kerry, Massachusetts Democrat, has been a trooper on foreign policy for President Obama, flying to Afghanistan and Pakistan many times to discuss diplomatic issues. (Associated Press)