Corn on Hardball: Who’s Buying Newt Gingrich’s $300K Advice?

David Corn and’s Joan Walsh joined Chris Matthews on MSNBC’s Hardball to discuss Newt Gingrich’s ties to Freddie Mac and whether they will hurt his campaign. What did Gingrich do to earn $300,000 consulting for Freddie Mac? In his own words during the CNBC Republican debate last week: “I offered advice… as a historian.”