In this photo released by the White House, President Obama is briefed on the events in Egypt by his national security team in the Situation Room of the White House on Saturday. Thousands of protesters in Egypt have thrown the country's 30-year-old regime into tumult. (Associated Press)

Photo by: Pete Souza

In this photo released by the White House, President Obama is briefed on the events in Egypt by his national security team in the Situation Room of the White House on Saturday. Thousands of protesters in Egypt have thrown the country's 30-year-old regime into tumult. (Associated Press)