Alaska Gov. Sarah Palin (R) addresses the crowd after being introduced as Republican presumptive presidential nominee Sen. John McCain (R-AZ) running mate during a campaign stop in Dayton, Ohio on August 29, 2008. (UPI Photo/John Sommers II) | License Photo
Republican presumptive presidential nominee Sen. John McCain (R-AZ) introduces Alaska Gov. Sarah Palin (R) as his running mate during a campaign stop in Dayton, Ohio on August 29, 2008. (UPI Photo/John Sommers II) | License Photo
Alaska Gov. Sarah Palin (R) addresses the crowd after being introduced as Republican presumptive presidential nominee Sen. John McCain (R-AZ) running mate during a campaign stop in Dayton, Ohio on August 29, 2008. (UPI Photo/John Sommers II) | License Photo
Republican presumptive presidential nominee Sen. John McCain (R-AZ) shakes hands with the crowd after introducing Alaska Gov. Sarah Palin as his running mate during a campaign stop in Dayton, Ohio on August 29, 2008. (UPI Photo/John Sommers II) | License Photo
Republican presumptive presidential nominee Sen. John McCain (R-AZ) introduces Alaska Gov. Sarah Palin (R) as his running mate during a campaign stop in Dayton, Ohio on August 29, 2008. (UPI Photo/John Sommers II) | License Photo
Republican presumptive presidential nominee Sen. John McCain (R-AZ) introduces Alaska Gov. Sarah Palin (R) as his running mate during a campaign stop in Dayton, Ohio on August 29, 2008. (UPI Photo/John Sommers II) | License Photo
Alaska Gov. Sarah Palin (R) addresses the crowd after being introduced as Republican presumptive presidential nominee Sen. John McCain (R-AZ) running mate during a campaign stop in Dayton, Ohio on August 29, 2008. (UPI Photo/John Sommers II) | License Photo
Republican presumptive presidential nominee Sen. John McCain (R-AZ) introduces Alaska Gov. Sarah Palin (R) as his running mate during a campaign stop in Dayton, Ohio on August 29, 2008. (UPI Photo/John Sommers II) | License Photo
Republican presumptive presidential nominee Sen. John McCain (R-AZ) hugs Alaska Gov. Sarah Palin (R) after introducing her as his running mate during a campaign stop in Dayton, Ohio on August 29, 2008. (UPI Photo/John Sommers II) | License Photo
Alaska Gov. Sarah Palin (R) and her husband Todd (L) sign autographs for campaign supporters after being named Republican presumptive presidential nominee Sen. John McCain (R-AZ) running mate during a campaign stop in Dayton, Ohio on August 29, 2008. (UPI Photo/John Sommers II) | License Photo
Alaska Governor Sarah Palin's husband Todd (L-R), daughters Piper, Willow, Bristol and son Trig listen as Palin is introduced as Republican vice presidential running mate by presidential candidate John McCain at a campaign event in Dayton, Ohio on August 29, 2008. (UPI Photo/John Sommers II) | License Photo
Alaska Gov. Sarah Palin (R) addresses the crowd after being introduced as Republican presumptive presidential nominee Sen. John McCain's (R-AZ) running mate during a campaign stop in Dayton, Ohio on August 29, 2008. (UPI Photo/John Sommers II) | License Photo
Republican presumptive presidential nominee Sen. John McCain (R-AZ) waves to the crowd after introducing Alaska Gov. Sarah Palin (L) as his running mate during a campaign stop in Dayton, Ohio on August 29, 2008. (UPI Photo/John Sommers II)
| License Photo
Republican presumptive presidential nominee Sen. John McCain (R-AZ) shakes hands with the crowd after introducing his running mate Alaska Gov. Sarah Palin during a campaign stop in Dayton, Ohio on August 29, 2008. (UPI Photo/John Sommers II) | License Photo