Reuters interviewed more than 50 past and present officials, military officers and diplomats, visited NATO bases in Romania and Estonia, and joined NATO military exercises off the North Carolina coast. We found an alliance under strain — but not broken ↧ Trump’s pressure on NATO is reshaping Europe’s defenses. Will i... The president’s confrontation with NATO hasn’t led to a major U.S. withdrawal. But a big troop cut remains an option, Pentagon sources say, and allies are preparing for a future less dependent on Washington.