Republican presidential candidate, Sen., John McCain, R-Ariz., walks to embrace his mother, Roberta McCain, after he accepted his party's nomination for president during the last night of the Republican National Convention at the Exel Convention Center in St. Paul, Minn., Thursday, Sept. 4, 2008. (AP Photo/Stephan Savoia)
AP
Republican presidential candidate, Sen., John McCain, R-Ariz., and his wife Cindy acknowledges the cheers of supporters after his nomination acceptance speech at the last night of the Republican National Convention at the Exel Convention Center in St. Paul, Minn., Thursday, Sept. 4, 2008. (AP Photo/Stephan Savoia)
AP
Republican presidential candidate, Sen., John McCain, R-Ariz., listens to the applause of supporters during his nomination acceptance speech at the last night of the Republican National Convention at the Exel Convention Center in St. Paul, Minn., Thursday, Sept. 4, 2008. (AP Photo/Stephan Savoia)
AP
Republican presidential candidate, Sen., John McCain, R-Ariz., listens to the applause of supporters after his nomination acceptance speech at the last night of the Republican National Convention at the Exel Convention Center in St. Paul, Minn., Thursday, Sept. 4, 2008. (AP Photo/Stephan Savoia)
AP
Republican presidential candidate, Sen., John McCain, R-Ariz., and his running mate, Alaska Gov. Sarah Palin, acknowledge the cheers of supporters after McCain accepted his party's nomination for president during the last night of the Republican National Convention at the Exel Convention Center in St. Paul, Minn., Thursday, Sept. 4, 2008. (AP Photo/Stephan Savoia)
AP
Republican presidential candidate, Sen., John McCain, R-Ariz., listens to the applause of supporters during his nomination acceptance speech at the last night of the Republican National Convention at the Exel Convention Center in St. Paul, Minn., Thursday, Sept. 4, 2008. (AP Photo/Stephan Savoia)
AP
Republican presidential candidate, Sen., John McCain, R-Ariz., and his wife Cindy acknowledge the cheers of supporters after McCain accepted his party's nomination for president during the last night of the Republican National Convention at the Exel Convention Center in St. Paul, Minn., Thursday, Sept. 4, 2008. (AP Photo/Stephan Savoia)
AP
U.S. Republican presidential nominee Senator John McCain (R-AZ) and his wife Cindy stand onstage after he accepted his party's nomination for President of the United States at the Republican National Convention in Minneapolis, Minnesota September 4, 2008. REUTERS/Brian Snyder (UNITED STATES) US PRESIDENTIAL ELECTION CAMPAIGN 2008 (USA)
Reuters
ST. PAUL, MN - SEPTEMBER 4: Security escorts a Code Pink protester out during day four of the Republican National Convention (RNC) at the Xcel Energy Center September 4, 2008 in St. Paul, Minnesota. U.S. Sen. John McCain (R-AZ) accepted the GOP nomination for U.S. President tonight, the last day of the convention. (Photo by Ethan Miller/Getty Images)
Getty Images
ST. PAUL, MN - SEPTEMBER 4: Attendees subdue a Code Pink protester during day four of the Republican National Convention (RNC) at the Xcel Energy Center September 4, 2008 in St. Paul, Minnesota. U.S. Sen. John McCain (R-AZ) accepted the GOP nomination for U.S. President tonight, the last day of the convention. (Photo by Ethan Miller/Getty Images)
Getty Images