Democratic presidential hopeful Sen. Barack Obama (D-IL) takes a moment prior to the Democratic debate at the National Constitution Center on April 16 2008.

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Size: 3913px × 2599px
Location: National Constitution Center, Arch Street, Philadelphia, PA, USA
Photo credit: © Hiroko Tanaka / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 2008, america, barack, campaign, candidate, center, constitution, debate, democratic, election, event, national, north, obama, pennsylvania, philadelphia, political, politics, pople, presidential, sen., senator, smiling, usa