Foo Fighters' recent performance on Stephen Colbert, The Late Show's history with Foo Fighters and David Letterman, Pizza Hut's rebranding to an old-school sit-down restaurant, the nostalgia of Pizza Hut's ice cream machine, the trend of male cleavage in fashion, Alton Mason's fashion choices at Cannes, the potential health risks of hantavirus, the issues with Waymo driverless taxis, Spirit Airlines' class action lawsuit from former employees, the fate of grounded Spirit Airlines planes, and the surprising ingredient in ice cream related to beaver excretion.