KANSAS CITY, MO - NOVEMBER 04:  A roll of 'I Voted' stickers sit at the Children's Memorial Lutheran Church polling location November 4, 2008 in Clay County, Kansas City, Missouri. After nearly two years of presidential campaigning, U.S. citizens go to the polls today to vote in the election between Democratic presidential nominee U.S. Sen. Barack Obama (D-IL) and Republican nominee U.S. Sen. John McCain (R-AZ). Getty Images logo Getty Images 15 months ago

KANSAS CITY, MO - NOVEMBER 04: A roll of 'I Voted' stickers sit at the Children's Memorial Lutheran Church polling location November 4, 2008 in Clay County, Kansas City, Missouri. After nearly two years of presidential campaigning, U.S. citizens go to the polls today to vote in the election between Democratic presidential nominee U.S. Sen. Barack Obama (D-IL) and Republican nominee U.S. Sen. John McCain (R-AZ).