BRITAIN-US-ROYALS-POLITICS-DIPLOMACY

US President Donald Trump (3R) and US First Lady Melania Trump (2R) react as they greet Britain's Prince Charles, Prince of Wales (3L) and his wife Britain's Camilla, Duchess of Cornwall (2L), ahead of a dinner Winfield House, the residence of the US Ambassador, where US President Trump is staying whilst in London, on June 4, 2019, on the second day of the US President's 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 Niklas HALLE'N / AFP via Getty Images)