Ukraine’s new ambassador to the United States has trouble falling asleep. Olha Stefanishyna, a 40-year-old from Odesa, Ukraine, is kept awake at night by the distant rumble of passenger planes flying above her house in a quiet corner of Washington, D.C. It’s a sound so common that most residents tune it out. But if she was back in Kyiv, the buzz could only mean one thing: an incoming Russian Shahed drone. “I understand that I’m in Washington, but I just can’t [fall asleep]—because I hear a