Trump's Presidency in both Domestic and International affairs. No way a Republican tries to run on DJT's performance...or their own lack of...
As for Dem voters responding to DSA candidates, they want solutions to their Needs...and some Moderates haven't delivered them. Of course, having a Congress completely controlled by Trump on so many of those issues, it's not entirely the Moderates fault, but many voters want action now, so they're shaking the 'Lineup'...NOT endorsing "Communism"...at all.