D.C., Virginia sue to block Trump's 250-foot arch

The governments of Washington D.C. and Virginia asked a federal court to block construction of President Trump's planned "triumphal arch," claiming it's unlawfully tall and would snarl traffic for years.Why it matters: It's a last-minute gambit to stop construction before the multi-year project begins, potentially as soon as this coming week. What they're saying: "This project is flagrantly unlawful," the two governments said in a Saturday filing in D.C. federal court, first reported by the Washington Post."During the three-year period of construction, the Arch project will inevitably snarl tr