Years ago, I received a one day training session on dealing with the news media from a prominent East Coast pr firm. Michelle Bachmann is following their method to a T. Go into the interview with your own agenda firmly in mind, and no matter what the question is, keep drilling home your own agenda. Without exception. Way to go, Michelle!
That's exactly what left-wing guests do when they get air time on a "hostile" show. Oh, and they also filibuster any other guests, and the host, if the host lets them.