makary now, and talk a little bit about his book. i have to say as a doctor, i found it really troubling in reading your first chapter, i had chest pain reading about some of the perverse incentives and some of the unwarranted variation that you see in care. can you tell everyone about that? because i was surprised by some of the things that you characterized, and i think that's kauai-opening for folks -- eye-opening for folks. >> well, thank you, dr. pratt, and it's great to be here and great to learn from katherine here too, and i hope those medications are not the ones i'm prescribing. [laughter] >> well, you might be. probably. >> great. what a system. [laughter] and it's great to be here in texas. i love austining, so thanks for having me. you know, i think the stories that we need to talk about that no one talking about are the areas in health care where there's broad consensus among the american people. so if we can turn off cable news for a little bit and stop listening to the echo chambers that we're a dividedded cup on heal