Phil Dokas/Flickr

Standard & Poor's downgrade of the U.S. credit rating Friday will play a role in President Obama's political future. Carolyn Kaster/AP hide caption

itoggle caption Carolyn Kaster/AP

U.S. Senate Majority Whip Richard Durbin (D-IL) is surrounded by reporters at the Capitol Friday after a briefing on the debt ceiling. Alex Wong/Getty Images hide caption

itoggle caption Alex Wong/Getty Images