Barack Obama Takes Campaign Bus Tour Through Pennsylvania
A supporter of Democratic U.S. presidential hopeful Sen. Barack Obama (D-IL) holds up a picture of Obama during a town hall meeting at the Thaddeus Stevens College of Technology March 31, 2008 in Lancaster, Pennsylvania. Obama is on his six-day 'Road to Change' bus tour through Pennsylvania to campaign for the upcoming state's primary.
(Photo by Alex Wong/Getty Images North America)












