thanks for joing us, i'm diane rehm.hur william is a craftsman who learned his trade from a man nicknad da vinci. this particular da vinci taught the age-old art of counterfeiting. under his telage williams went on to become one of the most skilled counterfitters of the last quarter century. his masterpiece, a perfect replica of what was once the most secure u.s. bank note ever made, the 1996 $100 bill. journalist jason kersten details the story of this master counterfeiter in a new boo it's titled "th art of making money." he joins me in the studio, i hope you'll jo us as well, call us on 800-433-8850. send us your e-mail to dr show at wamu.org. jason kersten, what a sry u've told. >> thank you. >> i must say in reading about his childhood i found myself thinking, this has got to be the most ghastly way a kid can be brought into this world one could ever imagine. talk about him as a young oy. >> well, that was one of the most surprising discoveriess i researched the book and got to know him better. he started out as qui