The liberal super PAC American Bridge will launch new digital ads in key battleground states on Thursday warning that President Trump’s response to the coronavirus has been insufficient and that his administration is putting the public at risk.
https://thehill.com/homenews/campaign/484842-liberal-super-pac-to-launch-ads-slamming-trumps-coronavirus-response
American Bridge 21st Century or AB PAC is a liberal American Super PAC that supports Democratic candidates and opposes Republican candidates. It was founded by David Brock in 2010 and is associated with Media Matters for America. It is an opposition research hub for the Democratic Party.
https://en.wikipedia.org/wiki/American_Bridge_21st_Century