In his first official meeting with a foreign leader, President Trump prepared Friday to welcome British Prime Minister Theresa May to the White House for talks that center on trade, the British withdrawal from the European Union, and the future of the NATO military alliance. Trump, UK prime minister emphasize ‘special relationship’ at White House In his first official meeting with a foreign leader, President Trump prepared Friday to welcome British Prime Minister Theresa May to the White House for talks that center on trade, the British withdrawal from the European Union, and the future of the NATO military alliance.