Hillary Clinton as Secretary of State

Secretary of State Hillary Clinton is seated before testifying before the House Foreign Affairs Committee in the Rayburn House Office Building on Jan. 23, 2013, in Washington.

Secretary of State Hillary Clinton waves goodbye after holding a "Global Townterview" at the Newseum Jan. 29, 2013, in Washington.

Secretary of State Hillary Clinton delivers remarks at a reception honoring Public/Private Partnerships in the Benjamin Franklin room of the State Department on Jan. 31, 2013, in Washington.

Senator John Kerry, D-MA, arrives with Secretary of State Hillary Clinton to give testimony before the Senate Foreign Relations committee during his confirmation hearing on Capitol Hill in Washington, on Jan. 24, 2013.

Secretary of State Hillary Clinton shakes hands with Mexican Foreign Secretary Jose Antonio Meade ahead of their bilateral meeting on Jan. 30, 2013, at the State Department in Washington.

Liberian President Ellen Sirleaf Johnson, left, and Secretary of State Hillary Clinton shakes hands as they exchange documents after signing a strategic partnership agreement on Jan. 15, 2013, at the State Department in Washington.

Secretary of State Hillary Clinton, right, shakes hands with Somalian President Hassan Sheikh Mohamud following meetings at the State Department in Washington, on Jan. 17, 2013.

Secretary of State Hillary Clinton shakes hands with Irish Prime Minister Enda Kenny during a meeting at the Government buildings in Dublin, Ireland on Dec. 6, 2012.

Secretary of State Hillary Clinton and former President Bill Clinton arrive during the presidential inauguration on the West Front of the U.S. Capitol Jan. 21, 2013, in Washington.

Secretary of State Hillary Clinton speaks during the second meeting of the International Council on Women's Business Leadership on Nov. 27, 2012, in the Benjamin Franklin Room of State Department in Washington.

Secretary of State Hillary Clinton and former President Bill Clinton look on following a dinner for Kennedy honorees at the U.S. Department of State on Dec. 1, 2012, in Washington.

Actress Meryl Streep uses her iPhone to get a photo of her and Secretary of State Hillary Rodham Clinton following the State Department Dinner for the Kennedy Center Honors gala, Dec. 1, 2012, at the State Department in Washington.

Secretary of State Hillary Rodham Clinton meets with former South Africa President Nelson Mandela, 94, at his home in Qunu, South Africa, Aug. 6, 2012.

President Barack Obama, left, and Secretary of State Hillary Clinton, center, listen to the dean of the Faculty of Buddhism, Chaokun Suthee Thammanuwat, right, during a tour at the Wat Pho Royal Monastery in Bangkok on Nov. 18, 2012.

Secretary of State Hillary Clinton and African Union Chairperson Nkosazana Dlamini-Zuma, left, hold a joint press conference following meetings at the US State Department in Washington, on Nov. 28, 2012.

Afghan President Hamid Karzai holds a meeting with Secretary of State Hillary Clinton at the State Department in Washington on January 10, 2013.

Secretary of State Hillary Clinton arrives at Don Muang International Airport on Nov. 18, 2012, in Bangkok, Thailand.

Secretary of State Hillary Clinton visits the Avarua markets in Rarotonga, Cook Islands on Sept. 1, 2012.

Secretary of State Hillary Clinton and Qatari Premier and Foreign Minister Sheikh Hamad bin Jassem bin Jabr al-Thani attend the seventh edition of the U.S.-Islamic World Forum in Doha on Feb. 14, 2010.

Secretary of State Hillary Clinton is welcomed by French President Nicolas Sarkozy before a crisis summit on Libya at Elysee Palace on March 19, 2011, in Paris.

Secretary of State Hillary Clinton dances with Malawian women at the Lumbadzi Milk Bulking Group on Aug. 5, 2012 in Lilongwe, Malawi.

Secretary of State Hillary Clinton checks her PDA upon departure in a military C-17 plane from Malta bound for Tripoli, on Oct. 18, 2011.

Secretary of State Hillary Clinton dances at Cafe Havana in Cartagena, Colombia, on April 15, 2012.

Secretary of State Hillary Clinton greets the children of Embassy employees at the U.S. Embassy in Tokyo, April 17, 2011.

Pete Souza/The White House via Getty Images

President Barack Obama, Vice President Joe Biden, Secretary of State Hillary Clinton and members of the national security team receive an update on the mission against Osama bin Laden in the Situation Room of the White House May 1, 2011, in Washington.

President Barack Obama and Secretary of State Hillary Clinton arrive for the East Asia Summit in Nusa Dua on Indonesia's resort island of Bali on Nov. 19, 2011, following the Association of Southeast Asian Nations (ASEAN) Summit.

President Barack Obama, right, speaks as Secretary of State Hillary Clinton listens at a cabinet meeting at the White House on Nov. 28, 2012, in Washington.

Secretary of State Hillary Clinton meets with Pakistan's Foreign Minister Hina Rabbani Khar in the residence of the U.S. Ambassador to Belgium, in Brussels, on Dec. 3, 2012.

Secretary of State Hillary Clinton is greeted by Chinese Foreign Minister Yang Jieche at the Ministry of Foreign Affairs in Beijing on Sept. 4, 2012.

Israeli Prime Minister Benjamin Netanyahu meets Secretary of State Hillary Clinton at the prime minister's office Nov. 20, 2012, in Jerusalem, Israel.

Israeli President Shimon Peres kisses Secretary of State Hillary Clinton on her cheek as he gives her a bouquet of flowers at the end of a joint press conference after their meeting in Jerusalem on March 3, 2009.

Secretary of State Hillary Clinton receives a necklace from some of Kenya's Masaai traditional dancers before a dinner hosted in her honor, after addressing the 8th Forum of the African Growth and Opportunity Act (AGOA) in Nairobi on Aug. 5, 2009.

United Progressive Alliance (UPA) Chairperson Sonia Gandhi shakes hands with Secretary of State Hillary Clinton at a meeting in New Delhi on July 20, 2009.

Iraqi Prime Minister Nouri al-Maliki is escorted by Secretary of State Hillary Clinton at the State Department in Washington, on July 24, 2009.

Secretary of State Hillary Clinton is accompanied by Indian Minister for Forests and Environment Jairam Ramesh as she waves upon her arrival at the ITC Green Centre Building in Gurgaon, on the outskirts of New Delhi on July 19, 2009.

Secretary of State Hillary Clinton is welcomed by schoolchildren upon her arrival for a visit at the Rosa Duarte school in Santo Domingo, April 17, 2009.

Peter Souza/The White House via Getty Images

President Barack Obama and Secretary of State Hillary Clinton leave the Oval Office after a meeting on June 22, 2009, in Washington.

Secretary of State Hillary Clinton is sworn in as her husband, former President Bill Clinton, and her daughter Chelsea look on during a ceremonial swearing-in at the State Department Feb. 2, 2009, in Washington.