Why is Fox News trying to degrade Bachmann by insinuating that she's a flake?

chris wallace said that and apologized,this is old news at this point a href="http://www.theblaze.com/stories/on-hannity-bachmann-now-accepts-wallaces-flake-apology/" rel="nofollow"http://www.theblaze.com/stories/on-hanni…/a