It’s the ultimate symbol of American politics under Donald Trump – a blood-soaked cage match on the lawn of the White House for the US president’s 80th birthday. A giant arena dubbed “The Claw” has been built on the famed South Lawn for Sunday’s tournament featuring 14 Ultimate Fighting Championship (UFC) contestants. Critics have panned the unprecedented US$60 million “UFC Freedom 250” event as tone-deaf at a time when Trump’s war in Iran has sent the cost of living soaring for ordinary...