U.S. Secretary of State Hillary Clinton and British Foreign Secretary David Miliband (shown here Jan. 21 in Washington, D.C.) will be among the officials meeting in London this week to discuss Afghanistan and Yemen.
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Haiti's President Rene Preval answers questions from the press as Secretary of State Hillary Clinton looks on in Port-au-Prince on Saturday. Preval and Clinton met to discuss the state of emergency after last week's deadly earthquake.
President Obama speaks from the Rose Garden as George W. Bush and Bill Clinton look on. Obama asked the former presidents to help with U.S. relief efforts in Haiti after the earthquake.