Less than an hour before Mr. Trump addressed reporters in the hastily called news conference, NATO leaders reportedly declared an emergency session over the U.S. leader‘s hammering of America‘s allies over their defense spending. In a series of tweets from the Belgian capital before Thursday‘s meetings, Mr. Trump complained the United States „pays tens of Billions of Dollars too much to subsidize Europe“ and demanded that members of the military alliance meet their pledge to spend 2 percent of GDP on defense, which „must ultimately go to 4%!“