“President Dude might have shown a little more respect…”

(CNN) – It was the first time a sitting president made a visit to Jon Stewart’s The Daily Show and Jon Stewart didn’t pull any punches. So how did it go? What did it accomplish for the President, Stewart? Might it impact the viewers – and more importantly, voters? CNN American Morning’s John Roberts & Kiran Chetry talk to media critic David Bianculli to get his insight on a little TV history in the making.