Secretary of State Hillary Clinton speaks during a news conference after a meeting on Libya in London Tuesday. World powers agreed that Moammar Gadhafi should step down after 42 years as Libya's ruler but did not discuss arming the rebels who seek to oust him. Toby Melville/AP hide caption

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Secretary of State Hillary Clinton (right) talks with Susan Rice, the U.S. ambassador to the United Nations, in September. The two played a critical role in winning U.N. authorization of using "all means necessary" to protect civilians in Libya. Stan Honda/AFP/Getty Images hide caption

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Secretary of State Hillary Clinton, shown on Capitol Hill on Thursday, is heading to Egypt and Tunisia as the U.S. tries to stay on top of what's happening in the Arab world. Jonathan Ernst/Getty Images hide caption

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Navi Pillay, the United Nations' high commissioner for human rights, looks on during a Human Rights Council special session on the crisis in Libya on Friday in Geneva. Pillay said the world must "step in vigorously" to protect Libyan protesters. Fabrice Coffrini/AFP/Getty Images hide caption

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Palestinian laborers work in a new section to the Jewish settlement of Kiryat Arbaa close to the West Bank town of Hebron in October. The Obama administration was working to persuade Israel to renew a settlement moratorium in the West Bank so Palestinians can return to talks, but those efforts appear to have failed. Hazem Bader/Getty Images hide caption

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Leaked U.S. diplomatic cables contained information on the inner workings of the State Department, including some frank assessments of world leaders. hide caption

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The Saudi Air Force flies F-15 warplanes over the capital Riyadh during a graduation ceremony at King Faisal Air Force University last year. The Obama administration notified Congress on Wednesday of a multibillion-dollar sale of fighter jets and military helicopters to the country. Hassan Ammar/AP hide caption

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Clinton talks with Bishop Teodosije (right) during tour of the Gracanica Monastery in Gracanica, a Serb enclave in Kosovo. Armend Nimani/AFP/Getty Images hide caption

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President of the Republic of Rwanda Paul Kagame had threatened to pull his troops out of the U.N. peacekeeping operation in Darfur, Sudan, because of the report. Michael Nagle/Getty Images hide caption

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Voters in line Monday outside a polling station in Kigali. Rwandans voted in a presidential election that incumbent Paul Kagame is poised to win. Simo Maina/AFP/Getty Images hide caption

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