Wsj Opinion: Potomac Watch

The pressure on Iran is rising again, as U.S. allies in Europe trigger "snap-back" sanctions, citing Tehran's uranium stockpiles and nuclear enrichment. Meantime, two weeks after President Trump's peace summit in Alaska with Vladimir Putin, Russia hits Ukraine hard with new airstrikes. Plus, Taiwan wants to raise its defense budget to 5% of GDP to deter a Chinese invasion.     Learn more about your ad choices. Visit megaphone.fm/adchoices