Mohamed ElBaradei: From nuclear watchdog to antigovernment protestor in Cairo

Science : Mohamed ElBaradei, the former head of the International Atomic Energy Agency in Vienna, who recently became a central figure in the antigovernment protests in Cairo, has stood—sometimes controversially—at the fulcrum of recent global struggles to prevent deadly use of nuclear fission. Science‘s Dan Charles provides a profile of the man some have called the “anti-Mubarak.”