On the menu today, the U.S. government and its allies are grappling with the biggest exposure of classified secrets since Edward Snowden, revealing what the U.S. knows about dwindling Ukrainian air-defense assets and ammunition, our spying on ally South Korea, a possible Mossad role in Israel’s recent protests, and a Russian hack on a Canadian natural-gas pipeline that the Canadians say didn’t happen.
Roughly 1.3 million Americans have top-secret security clearance, and apparently one…