The world changed on June 16, 2015. Descending on a mock gold escalator in a mock gold skyscraper, the declaration of a thrice-married, six-times-bankrupt reality TV star for the US presidency in New York changed the United States and, by extension, the world.  The candidate and then President Donald Trump has dominated the US for over 11 years and counting, and is already the most significant US president since Franklin Delano Roosevelt. Only Ronald Reagan and the defeat of the Soviet Union come close to the historic impact of Trump.  While future historians will assess him more fully, and his…