As US allies reel from Donald Trump’s weekend comments encouraging Russia to attack European allies if they don’t meet NATO budget contribution goals, multiple former Trump advisers warn in my upcoming book that the former president will seek to formally withdraw the US from the NATO alliance if he wins a second term. In “The Return of Great Powers”, which will be published March 12, a former senior US official, who served in both the Trump and Biden administrations at a high level, told me that if Trump defeats President Joe Biden in November “the US will be out of...
