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PBS News Hour
How 'Bloody' Will GOP Nomination Fight Get?
The GOP presidential field reshuffled over the weekend when Texas Gov. Rick Perry joined the race, former Minnesota Gov. Tim Pawlenty dropped out and Rep. Michele Bachmann won the Ames Straw Poll. Gwen Ifill and Political Editor David Chalian discuss the GOP contenders and President Obama's campaign-style Midwestern bus tour.
