Jon Stewart appeared on Fox News for the third time ever today, and Chris Wallace gave him quite the welcome: "After months of evasion, disconnected phone numbers, and press agents saying, 'Who are you again?' it appears he finally ran out of excuses." Stewart poked back in kind, "As a viewer, I can't tell you how disappointed I am that you would sully a program of this integrity with a presence such as Jon Stewart." The main topic of the day? The media, but of course. Highlights: