Mortgage REITs like American Capital Agency (NASDAQ:AGNC) have been slashing their dividends and may be set to cut them down even more. American Capital Agency is taking a more defensive strategy, but is this the right move? In this segment from The Motley Fool's everything-financials show, Where the Money Is, banking analysts David Hanson and Matt Koppenheffer play "Making the Grade" and grade the cautious approach and earnings from Berkshire Hathaway (NYSE:BRK-B)(NYSE:BRK-A).