DAYTON, OH - AUGUST 29:  Presumptive Republican presidential nominee John McCain stands with Alaska Gov. Sarah Palin onstage at a campaign rally August 29, 2008 in Dayton, Ohio. McCain announced Palin as his vice presidential running mate at the rally. Getty Images logo Getty Images 42 months ago

DAYTON, OH - AUGUST 29: Presumptive Republican presidential nominee John McCain stands with Alaska Gov. Sarah Palin onstage at a campaign rally August 29, 2008 in Dayton, Ohio. McCain announced Palin as his vice presidential running mate at the rally.