Former Rep. Matt Gaetz (R-Fla.) and former House Speaker Kevin McCarthy (R-Calif.) are still feuding, with Gaetz telling ...

McCarthy’s protégé, the imperious attorney Roy Cohn, 30 years later became Donald Trump’s mentor, channeling the senator’s adversarial playbook to the eventual president.

Joseph McCarthy, Republican senator from Wisconsin, stands before a map charting alleged communist activity in the United States on June 9, 1954.

We know Murrow’s story — exposing the red-baiting demagoguery of Senator Joseph McCarthy — as history. And history, once set down on the page and stage, can seem inevitable.