Millions of voters across the country could cast their ballots before Election Day. Some experts say early voting could have a disproportionate impact on certain voting blocs. Host Michel Martin discusses the issue with Professor Paul Gronke, founder of the Early Voting Information Center, and Republican strategist Lenny McAllister.
Article source: http://www.npr.org/2012/10/24/163548905/-is-early-voting-a-quiet-revolution?ft=1&f=1001