Olympic skier struggles in Senate testimony on climate change
• Senate Democrats invite 23-year-old Olympic skier Gus Schumacher to testify on climate change
• Schumacher struggles to answer basic questions about carbon dioxide from Senator John Kennedy
• Kennedy presses Schumacher on past tweets about abolishing police and the war on drugs
• Schumacher admits he doesn't remember the tweets and declines to address them
• Commentators criticize Democrats for inviting an unqualified witness; Schumacher seems unfazed