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

itoggle caption Jonathan Blakley/NPR

Some Egyptians celebrated today (April 13, 2011) outside the Sharm el-Sheikh courthouse where former President Hosni Mubarak's sons Alaa and Gamal were being questioned. Amr Nabil/AP hide caption

itoggle caption Amr Nabil/AP

Secretary of State Hillary Clinton (in red) shook hands with a child as she visited Cairo's Tahrir Square earlier today (March 16, 2011). Paul J. Richards /AFP/Getty Images hide caption

itoggle caption Paul J. Richards /AFP/Getty Images

"We have an enormous stake in ensuring that Egypt and Tunisia provide models for the kind of democracy that we want to see," Secretary of State Hillary Clinton told a congressional panel. Jose Luis Magana/AP hide caption

itoggle caption Jose Luis Magana/AP

Feb. 4: Anti-government protesters held a sign referencing the Facebook social networking website that was important in organizing protesters in Tahrir Square. Chris Hondros/Getty Images hide caption

itoggle caption Chris Hondros/Getty Images