Protesters against U.S. military action in Syria march to Capitol Hill from the White House on Saturday. Carolyn Kaster/AP hide caption

itoggle caption Carolyn Kaster/AP

Rep. Elijah Cummings, D-Md., gestures as he speaks in an Oversight Committee hearing on Capitol Hill in May 22. Carolyn Kaster/AP hide caption

itoggle caption Carolyn Kaster/AP

President Obama pauses after speaking to media in the White House on Tuesday before a meeting with congressional leaders to discuss the situation in Syria. With the president: House Speaker John Boehner (from left), House Minority Leader Nancy Pelosi, Senate Minority Leader Mitch McConnell, House Majority Leader Eric Cantor and Sen. Dianne Feinstein. Carolyn Kaster/AP hide caption

itoggle caption Carolyn Kaster/AP