I haven't watched Kudlow every day... just catch him every once in a while... but I've never seen anything that leads me to believe he's a Keynesian. Seems more of an Adam Smith or Milton Friedman sort of fellow.
He's a little too obnoxious to take in large doses, but if it gets Shumer out of there, and makes for some excellent CSPAN coverage... hey, I'm ALL FOR IT.
PLEASE see my #52 of 55 retraction.