March 2, 2012
As we head into Super Tuesday, which GOP candidate has momentum and how will Tuesday's primaries change the race? Meanwhile, President Obama makes campaign-like speeches in Michigan and New York. Also, Senator Olympia Snow resigns, saying there is no longer bipartisanship in Congress. Joining Gwen: John Dickerson, Slate/CBS News; Gloria Borger, CNN; Charles Babington, Associated Press.