msnbc's Lawrence O'Donnell, NBC News Special Correspondent Tom Brokaw, AOL-Huffington Post's Howard Fineman, New York Magazine John Heilemann weigh in on the recent Republican debate and Rick Santorum's shaky performance.
Rick Santorum's 'B game' performance
msnbc's Lawrence O'Donnell, NBC News Special Correspondent Tom Brokaw, AOL-Huffington Post's Howard Fineman, New York Magazine John Heilemann weigh in on the re