Poll surge puts new scrutiny on Cain
Melissa Harris-Perry, professor of political science at Tulane University, talks with Ezra Klein about Herman Cain's "9-9-9" plan and other aspects of his campaign platform.
Melissa Harris-Perry, professor of political science at Tulane University, talks with Ezra Klein about Herman Cain's "9-9-9" plan and other aspects of his campaign platform.