i'm steve wieber with the library's public affairs staff and i want to welcome you and thank you for being with us tonight, and thanks to randy day books, our frequent and favorite collaborator, and of course one of the nation's great independent book stores. we pride ourselves here at the library among other things on the timeliness and the relevance of our signature programming. whether we're holding forums on local issues or addressing emerging or hot button national topics. he didn't intend on the particular timeliness of tonight's presentation. christopher leonard was a busy man at the end of last week. taking reporter's calls and wrote a coup of op-ed articles after the death of david koch. chris spent eight near in the the kochland, the place and the title of his book, pulling back the curtain on the extraordinary business empire and the potent political network that was put toth by the david koch and his older brother, charles, from their base three hours down the road in wichita. anybody here had a chance to read the book yet? so, you won't understand but you'll knee immedia