Because when he's mad, he's just better than any other commentator out there. Even if you're a Clinton supporter, this Ferraro situation has been maddening, and no one sums up the whole frustrating, wrongheaded mishegoss like Keith.
Take 10 minutes to watch the whole thing, then appreciate his "good night and good luck" sign-off. Edward R. Murrow would be proud of you Keith. I know I am.