During the 2012 campaign cycle, CNN was among several news networks that hosted Republican debates. Now, the GOP says it doesn't want to be on either that network or NBC. Joe Raedle/Getty Images hide caption

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Former Secretary of State Hillary Clinton appears at the Women in Public Service Project leadership symposium in Bryn Mawr, Pa., on July 9. Matt Rourke/AP hide caption

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Secretary of State Hillary Clinton at a town hall meeting on Tuesday in Washington, D.C. She officially leaves her post on Friday. Mandel Ngan/AFP/Getty Images hide caption

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Secretary of State Hillary Clinton during her testimony Wednesday before the Senate Foreign Relations Committee. Saul Loeb /AFP/Getty Images hide caption

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Secretary of State Hillary Clinton (at right, in front) in a photo released today (Jan 7, 2013) by the State Department. A spokesman says it was taken around 9:15 a.m. ET at a meeting with the department's assistant secretaries. State Department hide caption

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