Holed up in a bombed-out house in eastern Ukraine, Ukrainian troops keep a careful accounting of their ammunition, using a door as a sort of ledger. Scrawled in chalk on the door are figures for mortar shells, smoke shells, shrapnel shells, flares. Despite the heavy influx of weapons from the …

Vladimir Putin looked very much at ease. In a much-viewed video this month, the Russian president settled deep into his armchair, wearing an expression of bored nonchalance. In a matter-of-fact tone, he likened himself to a modern-day Peter the Great, the empire-building Russian czar, and suggested that the conquest of …

The United States and Iran had their latest near miss Monday, after three vessels controlled by Tehran’s Islamic Revolutionary Guard Corps buzzed two American ships at what the U.S. military called “dangerously high speed.” The USS Sirocco, a Cyclone-class patrol ship, and the USNS Choctaw County, a fast transport vessel, …