Comic actor Bill Hader spoke with Terry Gross in 2012 about his recurring ‘SNL’ character Stefon, doing voices and his love of classic Hollywood films. His latest project is the HBO series ‘Barry.’ Also, former Obama White House staffer Alyssa Mastromonaco reflects on her six years running on adrenaline working for the president. Her memoir ‘Who Thought This Was a Good Idea?’ is now out in paperback. And film critic Justin Chang reviews ‘Ready Player One.‘