Turnout among Philadephian could determine result of presidential election . Unemployment , voter ID laws , complacency could affect turnout . ... Obama campaign has unprecedented effort to register , communicate with voters . more than one African-Americans says there is more at stake 2008 than in this year .
Turnout among Philadephian could determine result of presidential election . Unemployment , voter ID laws , complacency could affect turnout . Obama campaign has unprecedented effort to register , communicate with voters . more than one African-Americans says there is more at stake 2008 than in this year .