There’s a lot going on at Metro – mounting train delays, the GM stepping down and real worries from riders about safety. We talk to NBC4 Transportation Reporter Adam Tuss about whether heads rolling at the top will really change anything at the transit system that he says is plagued by a history of failure. And Judy Garland’s blue gingham dress — worn in the Wizard of Oz — is at the heart of a legal battle between the surviving family members of a Catholic University priest and the school itself. We talk to WTOP’s Mike Murillo about the costume controversy.