Today's Sunday Nice Things has everything that you want in a Sunday listen—swingers, the seventies and puritanical Minnesota.  From my friends who bring you the Terrible Thanks for Asking podcast comes a new show called Time Capsule: The Silver Chain.This is an 8-episode “true no-crime” documentary podcast that delves into the secret world of partner-swapping suburbanites in 1970s Minnesota. Newsletters from an abandoned safe deposit box set host Paul Ditty on an investigation to learn all he can about The Silver Chain – a suburban Minnesota swing club from the 1970s –  and its members.Paul attempts to reach several of the club's members. No one will talk until finally he reaches Carol, one of the club’s founders who eventually agrees to talk. But just as Paul is on his way to Modesto, an email from Carol's daughter changes his course.Subscribe to Time Capsule: The Silver Chain here.