If you're angry about Moscow Mitch and his GOP Senate Minions you can't be a Bloomberg Supporter
"He endorsed and raised funds for former Sen. Scott Brown in his reelection bid against Elizabeth Warren in 2012. He gave $2,700 to Pennsylvania Sen. Pat Toomey and spent nearly $10 million on dark-money issue ads to keep him in office. In 2014, he gave $5,200 to Sen. Susan Collins in Maine. Protecting the status quoand his low taxeshas been his priority, even at the same time that he's donated to Democrats. His bottom line seems to have been keeping the Senate, where his tax cuts are guaranteed, in Republican hands. Mike Mikus, former campaign manager for Toomey's 2016 Democratic opponent, Kathleen McGinty, pretty much nails it: "I'm certain his hand in giving Mitch McConnell a majority in the Senate will be remembered by a lot of Democratic voters."
https://www.dailykos.com/stories/2019/11/26/1902046/--Democratic-candidate-Mike-Bloomberg-has-spent-millions-keeping-the-Senate-in-Republican-control