The gulf between progressive ambition and the legislative reality means there is all-but-certain friction ahead between Biden and the restive liberal wing of his party, which united behind him after he defeated Vermont Sen. Bernie Sanders during the Democratic presidential primary and marshaled their forces to help the party flip two US Senate seats in Georgia, giving Democrats control of that chamber.
But the hopes of achieving real reforms on thorny issues like gun control, voting rights, police reform — and now even infrastructure — have proved elusive. Progressives have advocated for…
