Michael Sovern on 60 Years at Columbia; "A Doll's House" at BAM; Hospitals and PTSD; Robert Wagner on Hollywoon

On today’s show: Michael Sovern describes serving as president of Columbia University throughout the 1980s and into the 90s, helping to turn the university  around after the student unrest of 1968. Hattie Morahan and Dominic Rowan talk about starring in BAM’s production of “A Doll’s House.” We’ll find out why hospitals still don’t have a systematic approach to diagnosing PTSD in civilians. Robert  Wagner looks back at Hollywood’s Golden Age—the stars, the parties, and the movie business he was a part of in the 1940s and 50s.