“Donald Trump became the first sitting president in nearly a half-century at a regular-season NFL game, attending the Washington Commanders’ contest against the Detroit Lions on Sunday,” The Guardian reports.“There were boos from large sections of fans in the stands – as well as scattered cheers – when Trump was shown on the videoboard late in the first half – standing in a suite with House Speaker Mike Johnson – and again when the president was introduced by the stadium announcer at halftime.”