A group of Muslims leave the Al Ahmad mosque, the most popular in Buenos Aires, after Friday prayers on Jan. 28. Many say they are satisfied with the government's decision to recognize a Palestinian state. Silvina Frydlewsky for NPR hide caption

itoggle caption Silvina Frydlewsky for NPR

Egyptians stage a sit-in after the army ordered their encampments torn down in Tahrir Square on Sunday. John Moore/Getty Images hide caption

itoggle caption John Moore/Getty Images

President Obama and Egyptian President Hosni Mubarak, seen here in August 2009, have little to laugh about now. The protests and uncertainty in Egypt pose a foreign policy dilemma for Washington: stick with the Mubarak government or back the pro-democracy movement? Mark Wilson/Getty Images hide caption

itoggle caption Mark Wilson/Getty Images