Josefina Vidal, director general of the U.S. division at Cuba's Foreign Ministry, smiles at the start of the Cuba talks at the State Department in Washington, on Friday. Pablo Martinez Monsivais/AP hide caption

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Physicians Nowiba Mugambi and Erica Palys discuss a patient's X-ray at the Moi Teaching and Referral Hospital in Eldoret, Kenya. The hospital plans to open a new cancer treatment center in April. Evelyn Hockstein/Courtesy of AMPATH hide caption

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A federal judge on Thursday dismissed allegations by prosecutors that Argentine President Cristina Fernandez de Kirchner, seen here Feb. 11, tried to cover up the alleged involvement of Iranian officials in the 1994 bombing of a Jewish center in Buenos Aires. Rodrigo Abd/AP hide caption

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The legal case of the alleged Sept. 11 terrorists is slowly grinding its way through a war court at the U.S. naval base in Guantanamo Bay, Cuba. Joe Raedle/Getty Images hide caption

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