September 15, 2012
Charles Dharapak photo

Republican presidential candidate and former Massachusetts Gov. Mitt Romney and Sen. Rob Portman, R-Ohio, talk to reporters on board the campaign charter plane as it flies to Bedford, Mass., Friday, Sept. 14, 2012.

Charles Dharapak photo

Republican presidential candidate and former Massachusetts Gov. Mitt Romney is seen in silhouette as he boards his campaign charter plane while the sun sets in Cleveland, Ohio, Friday, Sept. 14, 2012, after holding a campaign rally and fundraising events.

David Richard photo

Supporters cheer as Republican presidential candidate, former Massachusetts Gov. Mitt Romney campaigns in the rain at Lake Erie College in Painesville, Ohio, Friday, Sept. 14, 2012.