Need to Know

MARIA HINOJOSA ANCHORS. This week, Need to Know's Rick Carr reports on controversial changes to election rules in the battleground state of Florida- will they root out voter fraud or keep legitimate voters from the polls? Also, a conversation with James Carter, the man behind the infamous '47'%' video, who, like other amateur opposition researchers, is harnessing the power of the internet to upend campaigns. And from our "American Voices" series, comedian Dean Obeidallah on one group of voters that no one seems to be courting.