Turnout among African-Americans could determine result of presidential election . The Associated Press contributed to this report. Her mother and father stand a few feet away , nodding approvingly . Obama campaign has unprecedented effort to register , communicate with voters . One Philadephian says there is more at stake this year than in 2008 .
Turnout among African-Americans could determine result of presidential election . The Associated Press contributed to this report. Obama campaign has unprecedented effort to register , communicate with voters . One Philadephian says there is more at stake this year than in 2008 .