President Barack Obama greets people on the tarmac as he arrives at Rickenbacker Inland Port on Air Force One, Tuesday, Oct. 9, 2012, in Columbus, Ohio. (AP Photo/Carolyn Kaster)

 

              President Barack Obama greets people on the tarmac as he arrives at Rickenbacker Inland Port on Air Force One, Tuesday, Oct. 9, 2012, in Columbus, Ohio. (AP Photo/Carolyn Kaster)
President Barack Obama greets people on the tarmac as he arrives at Rickenbacker Inland Port on Air Force One, Tuesday, Oct. 9, 2012, in Columbus, Ohio. (AP Photo/Carolyn Kaster)