Barack Obama Takes Campaign Bus Tour Through Pennsylvania

Democratic U.S. presidential hopeful Sen. Barack Obama (D-IL) holds a child as he greets supporters during a town hall meeting at Greater Johnstown High School March 29, 2008 in Johnstown, Pennsylvania. Obama is on his six-day "Road to Change" bus tour through Pennsylvania to campaign for the upcoming primary.
Democratic U.S. presidential hopeful Sen. Barack Obama (D-IL) holds a child as he greets supporters during a town hall meeting at Greater Johnstown High School March 29, 2008 in Johnstown, Pennsylvania. Obama is on his six-day "Road to Change" bus tour through Pennsylvania to campaign for the upcoming primary.
(Photo by Alex Wong/Getty Images North America)
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