CARDIFF, UNITED KINGDOM - JULY 12: Protest against a visit by the President of the United States Donald Trump on July 12, 2018 in Cardiff, United Kingdom. The President of the United States and First Lady, Melania Trump, have arrived in the United Kingdom for their first official visit. They are due to have dinner at Blenheim Palace, visit Prime Minister Theresa May at Chequers and have tea with the Queen at Windsor Castle. (Photo by Matthew Horwood/Getty Images)