In the early hours of Wednesday morning, Denys Sienik, the top Ukrainian diplomat in Washington, D.C., sent a frantic message to U.S. lawmakers: Ukraine was suddenly facing restrictions on its military-grade Starlink terminals, and he didn’t know why. The change, Sienik warned, would give Russia an upper hand in the war and make it tougher for Kyiv to intercept strikes against Ukrainian civilians. By the time Washington’s morning rush hour was under way, other Ukrainian officials said they were already suspecting the worst: that President Trump had ordered Elon Musk, who owns the company that operates Starlink, to throttle Ukraine’s…