ancestors. that's all -- i don't happen if the smothers brothers don't happen. that's always existed. >> jon stewart is doing his final episode tonight of "the daily show" on comedy central and, yes, there's the first republican presidential debate too. honestly jon stewart signing off after 16 years is the thing that's going to go down in history about tonight. "the daily show" happens on a news like set. when he retires tonight, they're moving the whole set to the newseum in washington. mr. stewart told me in that interview calling his show fake news was not exactly the right term. that doesn't mean people haven't been getting their news from jon stewart happily for years now. and jon stewart and stephen