(laughter) now, of course, the nutri nazis at the gastrostapo argue that these diets cause unfortunate health outcomes and poor nutrition but folks i say this is discrimination. these are food stamps! so the government is saying these aren't food. (laughter) well, i'm sorry, folks, but taco bell is a sponsor and goddamnit, if they say they serve foodly take them at their word! i don't care if that gets me hate mail. i don't care if that costs me another emmy. you can cite your scientific studies and quote your religious leaders. i don't care what the f.d.a. says. taco bell is food. i have been to the mountain top and there was a taco bell there and i ate some because it is possible to do so! in fact, i will now prove it. i will now prove it by ingesting this delicious taco bell nacho cheese gordita. (laughter) mmm! food! it had better be because it is in any mouth. (laughter) we'll be right back. (cheers and applause) >> stephen: welcome back, everybody. my guest has a new book call "the better angels of our nature: why violence has declined." man, i'd really love to see two angels fig