A rare event of someone on CNBC calling out Jim Cramer of Mad Money after he verbally attacked a guest on January 22, 2008. In this case it was financial commentator Rick Santelli, most likely the most rational and experienced regular commentator on CNBC. Cramer, who used to be a hedge fund manager, has a spotty track record on his Mad Money stock calls, in our view, but offers up some good educational investing tips.