Joe Biden’s handlers and media friends continue to delude nobody but themselves that his legacy will land him in the history books alongside FDR and LBJ as a beloved, era-defining Progressive hero. His supposedly moderate priorities—infrastructure, family policy, and voting “rights”—have readily been exposed as deceitful partisanship and wasteful graft, and laden with power grabs so objectionable a senator of his own party had to distance himself to save face. Further complicating his aspirational legacy, Biden is beholden to an eye-popping amount of dark money from leftist sources that propelled him to the White House in the first place. A...