Trump’s Plan to Reorder the World

President Trump has overseen an aggressive foreign policy, including harsh words about Europe and a lethal military campaign in the Caribbean. Last week, the White House unveiled its new national security strategy, which made Mr. Trump’s true goals clear and alarmed countries around the world. David E. Sanger, who covers the White House and national security for The New York Times, explains what the strategy is and how it may change America’s global relationships for good.