Obama's 'Betting on America' tour (31 images)

An audience member becomes emotional as she watches as President Barack Obama delivers remarks at a campaign event in Parma, Ohio on July 5, 2012. Obama is on a two day bus trip through Ohio and Pennsylvania. UPI/Kevin Dietsch

A broadcast technician adjusts a monitor as different camera feeds display images of President Barack Obama as he delivers remarks at a campaign event in Parma, Ohio on July 5, 2012. Obama is on a two day bus trip through Ohio and Pennsylvania. UPI/Kevin Dietsch

An audience member watches as President Barack Obama delivers remarks at a campaign event in Parma, Ohio on July 5, 2012. Obama is on a two day bus trip through Ohio and Pennsylvania. UPI/Kevin Dietsch