Ted Koppel examines the controversy over qualified immunity, which shields police officers from civil lawsuits in many cases. Luke Burbank interviews comic actor Jim Belushi, who has a found a new role as a cannabis farmer. Nancy Giles finds out why an old-time craze, roller skating, is on a roll. And Mo Rocca witnesses some of the contraptions built by families in lockdown for this year’s Rube Goldberg Machine Contest.

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