US National Security Advisor John Bolton (L) and Ivanka Trump leave from 10 Downing Street in London on June 4, 2019, on the second day of the US President and First Lady'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 Ben STANSALL / AFP)