[applause] if you are not yet on the email list, signup. We just added senator amy so now for tonight, were it was unforgetting. Bobs story about the genius of the political like his subject, caro has no peer. Over the years bob has spoiled us with his portraits of robert moses and Lyndon Johnson and treated us to slight left turns in the narrative, his diversions into fascinating bystanders, they might form the basis of future studies in and of themself. So consider his new book, working, as a companion piece to his great moses and johnson books, and today in 2019 is more resonant than ever about power used for good and power used against the greater good. As the book answers core questions, it raises more, as caro gives us deep background into the ways and whys he does what he does with such graceful shorthand. Asra if his books werent physil and intellectual evidence enough about why he takes so long to crank out the next volume, caro gives us the background on the reasons he goes t