No proof, but I don't doubt it. Ukrainian officials released the kickback numbers they gave US politicians. Joe Biden $92M, Mitch McConnell $89M, Nancy Pelosi $86M, Chuck Schumer $66M, Lindsey Graham $82M, Mitt Romney $71M, John Cornyn $41M, Adam Schiff $62M, Dan Crenshaw $20M, Elizabeth Cheney $77M, Kevin McCarthy $42M, Jamie Raskin $38M, Mike Pen