Trump turns 80 with a showstopping spectacle of cage fights at the White House. But big issues loom

WASHINGTON — PresidentDonald Trumpcelebrates turning 80 on Sunday with ashowstopping birthday spectaclethat once would have seemed unfathomable: acage-fighting showon the storiedSouth Lawnof the White House. This week, the hard realities of the office have threatened to overshadow the ostentatiousUFC mixed martial artsextravaganza, where combatants sealed inside a wire-mesh octagon try to punch, kick, chop and pummel each other into submission. Trump hasfound himself boxedinto an unpopular