rob clapper and rob o'neal in the front to sign your book. [applause] >> book tv visited capitol hill to ask members of congress what they're reading this summer. >> i got a pile of books but i just choke one because it lynx my passions the folks out there, may recall i taught economics at the college level for 20 or years. and i went to seminary before that. so now the politics up up here is pretty toxic right so everybody is talking about civility and ethics and virtue all of this kind of thing, and, of course, everything we do around here is economic and politic. so i just wanted to highlight a book that i've been looking, i got a couple of them with me but one is called dignity by didra chicago trained economist, ph.d. but her thesis in this book she goes through about 20 noble -- prize papers by folks who have written on economic growth. and so economic growth short review course start ised about 1800. all human history was a hockey stick flat as could be everybody in the whole world made a thousand a year per human capita in history and