On Dec. 27, 2020, more than six weeks after losing re-election, an infuriated President Donald Trump telephoned his acting attorney general, Jeffrey Rosen. Mr. Trump’s former attorney general, Bill Barr, had announced his resignation less than two weeks earlier, after telling the president that the claims of election fraud Mr. Trump had been trumpeting were — as Mr. Barr later bluntly put it in testimony — “bullshit” and publicly affirming that there was no fraud on a scale that would affect the outcome of the election.

With Mr. Rosen’s deputy, Richard Donoghue, also on the line, Mr. Trump launched into the same tired, disproved and discredited allegations he had propagated so often at rallies, during news conferences and on social media. None of it was true, and Mr. Donoghue told him so. According to Mr. Donoghue, Mr. Trump, exasperated that his own handpicked top appointees at the Justice Department would not affirm his baseless allegations, responded: “Just […]