David Simon needs no introduction in Baltimore, but a quick reminder for our far-flung listeners: David is an author, writer and producer of the acclaimed TV series about criminal justice in Baltimore, The Wire , and many other projects, including Treme, Show Me a Hero , and the upcoming HBO drama, The Deuce . He joins Tom today in Studio A to talk about City of Immigrants: A Night of Support , an event that he has organized in support of immigration and in opposition to the Trump Administration