US Democratic presidential candidate Obama steps off his campaign bus at Troy High School

 
US Democratic presidential candidate Obama steps off his campaign bus at Troy High School
U.S. Democratic presidential candidate Senator Barack Obama (D-IL) is reflected as he steps off his campaign bus at Troy High School after a event in suburban Detroit June 2, 2008. The United States will hold its final democratic primaries in South Dakota and Montana on June 3. REUTERS/Jason Reed (UNITED STATES) US PRESIDENTIAL ELECTION CAMPAIGN 2008 (USA)