Article Photos: Obama stresses battleground Ohio's importance



President Barack Obama greets supporters on the tarmac upon his arrival at Dayton International Airport, Tuesday, Oct. 23, 2012, in Dayton, Ohio, prior to a campaign stop. (AP Photo/Pablo Martinez Monsivais)

President Barack Obama greets supporters on the tarmac upon his arrival at Dayton International Airport, Tuesday, Oct. 23, 2012, in Dayton, Ohio, prior to a campaign stop. (AP Photo/Pablo Martinez Monsivais)