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

itoggle caption Simo Maina/AFP/Getty Images

Sudanese President Omar al-Bashir greets his supporters during a rally in Khartoum on May 1. Abd Raouf/AP hide caption

itoggle caption Abd Raouf/AP

Two U.S. soldiers walk past a group of Afghan men resting on top of a destroyed tank in the Panjshir Valley of Afghanistan in September 2005. David Guttenfelder/AP hide caption

itoggle caption David Guttenfelder/AP