Shoppers form a line at a bakery in Damascus, Syria, on Friday. Ahead of President Obama's speech Saturday, the price for a bag of pita bread shot up amid speculation of a U.S. military strike. Kyodo /Landov hide caption

itoggle caption Kyodo /Landov

U.S. Secretary of State John Kerry delivers a statement about the use of chemical weapons in Syria at the Department of State last week. Chip Somodevilla/Getty Images hide caption

itoggle caption Chip Somodevilla/Getty Images

President Obama speaks about Syria from the Rose Garden at the White House on Saturday. Jim Watson/AFP/Getty Images hide caption

itoggle caption Jim Watson/AFP/Getty Images