In this segment of The Motley Fool's financials-focused show, Where the Money Is, banking analysts David Hanson and Matt Koppenheffer rank insurance stocks. The stocks ranked include: Berkshire Hathaway (NYSE:BRK-A)(NYSE:BRK-B), Markel (NYSE:MKL), AIG (NYSE:AIG), and Aflac (NYSE:AFL). Berkshire Hathaway may be No.1 in the guy's hearts, but it is it also the top pick in their rankings?