she's katharine hayhoe. this is overheard. let's be honest. is this about the ability to learn or is this about the experience of not having been taught properly? how have you avoided what has befallen other nations in africa? i hate to say that he made his own bed, but you caused him to sleep in it. you saw a problem and over time took it on. let's start with the sizzle before we get to the steak. are you gonna run for president? i think i just got an f from you actually. (laughing) this is overheard. (applauding) katharine hayhoe, welcome. - thank you for having me. - nice to have you here. so i thought we would do a baseline for this conversation. - alright. - so, establish a baseline. global warming is real? - yes. - climate change is real? - that too. - climate science is legitimate? - yes and it's very old. - so what's everybody's glitch? why is this even a thing? why are we even arguing about this? this is the big debate. - it is. - [evan] yeah. - the number one reason we're arguing is because people don't like what they perceive to be