President Barack Obama greets supporter after speaking at a campaign event at Norfolk State University, Tuesday, Sept. 4, 2012, in Norfolk, Va.
Jae Hong photo
First Lady Michelle Obama waves as she appears at the podium for a camera test on the stage at the Democratic National Convention inside Time Warner Cable Arena in Charlotte, N.C., on Monday, Sept. 3, 2012.
Pablo Monsivais photo
President Barack Obama waves to supporters as he takes the stage for a campaign event at Norfolk State University, Tuesday, Sept. 4, 2012, in Norfolk, Va.
Mary Altaffer photo
Republican vice presidential candidate, Rep. Paul Ryan, R-Wis. arrives at a campaign event at the Westlake Recreation Center, Tuesday, Sept. 4, 2012 in Westlake, Ohio.