Donald TrumpTOI correspondent from Washington: When President Donald Trump asserted repeatedly in recent months that the United States has become the “hottest country in the world” little could anyone have imagined he meant it literally although some of his supporters attribute magical qualities to him.In record temperatures across parts of America, including his own anticipated 107F (42C) in the nation’s capital on July 4, the MAGA supremo has promised an extra-long speech on the occasion of the country’s 250th anniversary – except there may be few people to hear him in person, particularly since his grievance-laden speeches have now hit exhaustion point even among many supporters.Trump’s "Great American State Fair," where he is to ply his greatest hits, was intended to showcase the natio