Wsj Opinion: Potomac Watch

President Trump has signaled a potential U.S. withdrawal from NATO, citing a lack of support from allies during the Iran war. While NATO Secretary General Mark Rutte described Wednesday’s White House meeting as 'frank and open,' the alliance remains under pressure as Trump maintains that NATO 'failed' its testing ground in the Middle East.  Learn more about your ad choices. Visit megaphone.fm/adchoices