KOSTYANTYNIVKA, Ukraine—On the sun-drenched eastern front of this grueling war, Ukrainian drones are doing more and more jobs ...

"I think they need to be called out for their subsidizing this killing that is happening on the battlefields in Ukraine," U.S. Ambassador to NATO Matthew Whitaker said.

For months now, the Russians have spurned any real negotiations with Ukraine and ramped up their bombardment of Ukrainian cities—killing and maiming civilians on almost a nightly basis. In response to ...