Gesamtlänge aller Episoden: 11 days 18 hours 45 minutes
A security guard at the airport notices something going wrong on the tarmac, and takes it upon herself to fix it.
Conservative students don't feel like their ideas are welcome on campus. So they're fighting back.
Stories about people who accidentally bump into unsettling facts of history.
Before he leaves the Senate for good, Republican Jeff Flake is trying to get a bill passed.
Sons and daughters get to find out the one thing they've always wanted to know about their father.
Stories from border walls all over the world, and of the strange ecosystems that arise around them.