Katarina Witt was the top international figure skater in the 1980s when she represented East Germany. She describes how she was also under constant surveillance by the Stasi. She’s be joined by the director of a new documentary about how she dealt with the unusual convergence of sports and politics. Tom Donahue talks about his new documentary about the unsung hero in filmmaking: the casting director. We’ll find out how posting calorie counts on menus can have surprising effects on our choices. And a psychiatrist talks about her most challenging patients and how they’ve deepened her commitment to her work.