Anne Applebaum: NATO is still practicing for the worst

Northern Poland • Scruffy, yellowish-brown buildings are bunched around a long courtyard; portable toilets and generators have been set up on the dusty ground beside. Inside, military-grade laptops, the kind that don’t break if you drop them, are arrayed along a series of tables, their cables spooling off onto the floor. Men from different countries, some dressed in camouflage, talk in low voices. A large map of Europe’s Baltic coast has been projected onto one of the walls, wit