When it comes to mortgage REITs, the management team makes all the difference. In the past, Motley Fool analyst Matt Koppenheffer says he's been skeptical of American Capital Agency (AGNC 1.15%) and its strategy. In this segment from The Motley Fool's everything-financials show, Where the Money Is, he and Fool financial analyst David Hanson take a question from the mailbag about what it would take for them to get interested in picking up shares of American Capital Agency.