Republican presidential candidate, Sen. John McCain, R-Ariz., talks to a supporter on the cell phone of a relative as he and his wife Cindy shop at "The Buckeye Corner", purchasing Ohio State paraphernalia in Columbus, Ohio Friday afternoon, Aug. 29, 2008 during a stop on his campaign bus tour across Ohio. McCain announced his vice presidential running mate, Alaska Gov. Sarah Palin, in Dayton, Ohio Friday. (AP Photo/Stephan Savoia)