Trump’s attacks are damaging NATO. But current and former US officials said that congressional Republicans and Democrats, along with powerful US defense contractors, could block any US withdrawal the 77-year-old alliance, Reuters found ↧ 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.