- and reads out his damning old tweets Budget Chairman Sheldon Whitehouse invited Olympic skier Gus Schumacher to give his perspective as the committee considered the impact of climate change on the recreation industry. But it was all downhill for the 23-year-old as he struggled to answer basic questions and could not remember his tweets claiming the war on drugs was designed to jail black people, and calling for the police to be abolished. The excruciating exchange continued with Schumacher insisting carbon dioxide is a 'huge part of our atmosphere', before Kennedy pointed out that it accounts for 0.04 percent. 'Well, okay. But, yeah. I don't know,' the skier admitted.