The Coliseum on Pennsylvania Avenue

The crowd sang “Happy Birthday” to the President of the United States on the South Lawn of the White House while two men tried to knock each other unconscious inside a cage. A 600-ton steel arch — they called it “the Claw” — blazed so bright over Washington that it reportedly disoriented pilots on final approach into Reagan National. Sponsors including Crypto.com, Monster Energy, and Bud Light had their logos plastered to the Octagon. A Vietnam War veteran named Paul Romano, who works part-time as a rideshare driver, watched the whole thing from his car and told a federal judge...