WASHINGTON, DC - JULY 18: (AFP OUT) U.S. President Barack Obama returns to the White House on July 18, 2012 in Washington, D.C. Obama was in Texas attending campaign events. (Photo by Jonathan ... more 

WASHINGTON, DC - JULY 18: (AFP OUT) U.S. President Barack Obama returns to the White House on July 18, 2012 in Washington, D.C. Obama was in Texas attending campaign events. (Photo by Jonathan Ernst-Pool/Getty Images) less