Britain's Prime Minister Theresa May (2L) and her husband Philip May (L) greet US President Donald Trump (2R) and US First Lady Melania Trump outside 10 Downing Street in London on June 4, 2019, on the second day of their three-day State Visit to the UK. - US President Donald Trump turns from pomp and ceremony to politics and business on Tuesday as he meets Prime Minister Theresa May on the second day of a state visit expected to be accompanied by mass protests. (Photo by Daniel LEAL-OLIVAS / AFP)