The campaign trail, Oct. 27 - Oct. 30 (44 images)

Democratic presidential candidate Senator Barack Obama (L)campaigns with former president, Bill Clinton at Oceola Heritage Park in Kissimmee, Florida on October 29, 2008. (UPI Photo/Michael Bush)

Republican Vice Presidential Nominee Alaska Gov. Sarah Palin campaigns for herself and Republican Presidential Nominee Sen. John McCain (AZ) at a rally in Leesburg, Virginia, on October 27, 2008. At right is Sarah's husband Todd. (UPI Photo/Roger L. Wollenberg)

Democratic presidential candidate Sen. Barack Obama speaks at a campaign rally at Widener University in Chester, Pennsylvania on October 28, 2008. (UPI Photo/Kevin DIetsch)

Republican Vice Presidential Nominee Alaska Gov. Sarah Palin campaigns for herself and Republican Presidential Nominee Sen. John McCain (AZ) at a rally in Leesburg, Virginia, on October 27, 2008. (UPI Photo/Roger L. Wollenberg)