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

President Barack Obama delivers remarks at a campaign on the campus of Carnegie Mellon University in Pittsburgh, Pennsylvania on July 6, 2012. President Obama is on the second day of his, "Betting on America" bus tour through Ohio and Pennsylvania. The tall building in the background is the Cathedral of Learning on the nearby University of Pittsburgh campus. UPI/Kevin Dietsch

President Barack Obama delivers remarks at a campaign on the campus of Carnegie Mellon University in Pittsburgh, Pennsylvania on July 6, 2012. President Obama is on the second day of his, "Betting on America" bus tour through Ohio and Pennsylvania. UPI/Kevin Dietsch

President Barack Obama is reflected in the glasses of an audience members during a campaign on the campus of Carnegie Mellon University in Pittsburgh, Pennsylvania on July 6, 2012. President Obama is on the second day of his, "Betting on America" bus tour through Ohio and Pennsylvania. UPI/Kevin Dietsch

President Barack Obama delivers remarks at a campaign on the campus of Carnegie Mellon University in Pittsburgh, Pennsylvania on July 6, 2012. President Obama is on the second day of his, "Betting on America" bus tour through Ohio and Pennsylvania. UPI/Kevin Dietsch