60 Minutes — Episode 39: 6/5/2022: The Longest Running Oil Spill, Canada’s Unmarked Graves, Carnegie Heroes

You are watching the episode 6/5/2022: The Longest Running Oil Spill, Canada’s Unmarked Graves, Carnegie Heroes Containing the longest-running oil spill in U.S. history; The dark legacy of Canada's residential schools, where thousands of children died; What's in the heads of heroes?