Lawyer and friend of the show Andrew Arsht drops by to discuss three idioms from the legal world. In a wide-ranging conversation, he explains to us how pleading the fifth is a bit more complicated than it looks in Law and Order, how in Britain the police used to literally read the riot act, and how an ambulance chaser has nothing to do with automobiles. We cap it off with yet another thrilling edition of The Idiot's Gambit."