African Union and Somali troops launch an attack on al-Shabaab, a militant group linked to al-Qaida, in Mogadishu, Somalia, on Thursday in an effort to protect famine relief efforts, officials said. The World Food Program says it cannot reach 2.2 million people in need of aid in the militant-controlled areas in southern Somalia because of insecurity. AP hide caption

itoggle caption AP

Ali Aujali (second from right) listens to President Obama speak at the State Department in May. Aujali was Moammar Gadhafi's ambassador to the U.S., but resigned after the Libyan uprising began. He now represents the rebels' Transitional National Council. Chip Somodevilla/Getty Images hide caption

itoggle caption Chip Somodevilla/Getty Images

U.S. Secretary of State Hillary Clinton meets with the Contact Group regarding a Libya road map on May 5 in Rome. Giorgio Cosulich/Getty Images hide caption

itoggle caption Giorgio Cosulich/Getty Images

Secretary of State Hillary Clinton speaks at African Union headquarters in Addis Ababa, Ethiopia, on Monday. Susan Walsh/AP hide caption

itoggle caption Susan Walsh/AP

Secretary of State Hillary Rodham Clinton speaking at a news conference in Abu Dhabi on Thursday, following the Third Contact Group Meeting on Libya. Susan Walsh/AP hide caption

itoggle caption Susan Walsh/AP

Protesters demand that Syrian President Bashar al-Assad step down, in front of Arab League headquarters in Cairo. Amr Nabil/AP hide caption

itoggle caption Amr Nabil/AP

President Ali Abdullah Saleh attends an interview with selected media in Sanaa on May 25. Saleh said he would not step down or allow the country to become a "failed state." Mohammed Hamoud/AP hide caption

itoggle caption Mohammed Hamoud/AP

Israeli Prime Minister Benjamin Netanyahu speaks at the American Israel Public Affairs Committee (AIPAC) gala banquet in Washington, D.C., on Monday. He has promised to present his vision for Israeli-Palestinian peace in a speech before a joint meeting of Congress on Tuesday. Jose Luis Magana/AP hide caption

itoggle caption Jose Luis Magana/AP