Protesters taunt security forces moving in to clear one protest camp near the Rabaa al-Adawiya mosque in Cairo. The military-backed government described the camps as violent and unlawful. Hesham Mostafa/EPA/Landov hide caption

itoggle caption Hesham Mostafa/EPA/Landov

State media and other sources had confirmed Saturday that Mohamed ElBaradei, the former head of the International Atomic Energy Agency, would be Egypt's interim prime minister. Later in the day, the president's spokesperson walked it back. Joe Raedle/Getty Images hide caption

itoggle caption Joe Raedle/Getty Images

In this Monday, Jan. 28, 2013 file photo, former Egyptian presidential candidate, Hamdeen Sabahi, center left, and former Egyptian foreign minister and Nobel laureate Mohamed ElBaradei, right, speak during a press conference held by Egyptian opposition leaders. Amr Nabil/AP hide caption

itoggle caption Amr Nabil/AP

Mohamed ElBaradei, in the garden of his Cairo home earlier today (April 25, 2011). Jonathan Blakley/NPR hide caption

itoggle caption Jonathan Blakley/NPR