Facing a heap of defeat, progressives stake hopes on spending bill

Immigration, voting rights, policing, gun control: Congress is filled with liberal hopes crushed by the reality of slim Democratic majorities. So progressives are digging in on what could be their last chance at success in years.

As Democrats race to pull together a multitrillion-dollar party-line social spending package, Speaker Nancy Pelosi’s left flank is pushing as hard as it can to see progressive priorities reflected. They’ve repeatedly vowed to tank a bipartisan infrastructure bill on the floor as soon as this week if they don’t see more movement — a...