Producer Alex Blumberg conducts an investigation, perhaps the first ever, into this American subspecies: People who compulsively imitate their mother's voices in everyday conversation, well into adulthood. (19 minutes)
Sometimes criminals return to the scene of their misdeeds — to try to make things right, to try to undo the past. Katie Davis reports on her neighbor Bobby, who returned to the scene where he robbed people and conned people.
Alex Blumberg investigates a little-studied phenomenon: Children who get a mistaken idea in their heads about how something works or what something means, and then don't figure out until well into adulthood that they were wrong.