it s a good thing or a bad thing that jon stewart s last show airs on the same night as the first gop debate. reporter: it s a very good point. if you think about it for liberals who tend to make up the core of stewart s audience they have two hours of ecstasy during the debate. they can laugh at the gop candidates and then an hour of agony as jon stewart signs off. maybe for conservatives it s the opposite because a lot of folks on the right are happy to see stewart going. they feel he s unfair. they think he skews very far to the left, but to the young people out here in this line, they say he s genuine source for context and perspective. we ll see if that s still true when trevor noah takes over in september. but let me play a part of the program from last night. i think it s notable that jon stewart has always said he s just a comedian. he s always encouraged people not to take him seriously, and last night he was downplaying his effect on the world. here is what he said. what