Frank, who died this week, created the radio drama series ‘Work in Progress’ and was known for his intimate on-air monologues, sketches, and interviews. He spoke with Terry Gross in 1989. Also, we talk with Daniel Ellsberg. He leaked the Pentagon Papers to the press in 1971, in hopes they would help end the Vietnam War. He is portrayed in the new film ‘The Post.’ Film critic David Edelstein reviews the documentary ‘The Final Year,’ which follows President Obama’s foreign policy team as the presidency comes to an end.