“The extreme left is obsessed with talking trash about mainstream Democrats on Twitter, when the majority of the electorate constitute mainstream Democrats at the polls,” Jeffries, the Democratic caucus chairman, told The New York Times on Wednesday. “In the post-Trump era, the anti-establishment line of attack is lame — when President Biden and Democratic legislators are delivering millions of good-paying jobs, the fastest-growing economy in 40 years and a massive child tax cut.”