This is just fun TV. Rudy keeps it nice and clean while Scarborough plays bad cop. Scarborough's lines about Huffington's former support of Newt Gingrich and her run for California governor are particularly delicious.
Huffington is performing the classic liberal pivot— tut-tutting the right about civility in one second to personally attacking her opponent on irrelevant grounds in the next. She likely wasn't expecting to get called on it on MSNBC: