President Trump America's Greatest Gamble?

On Friday, Donald J Trump - a celebrity businessman with no political experience who defied all expectations in order to be elected - will officially assume the office of the President of the United States of America, becoming arguably the most powerful man in the world. ITV News Washington correspondent Robert Moore speaks to Americans thrilled at the prospect of a truth-speaking outsider at the helm, and others who are deeply fearful about what a divisive and inexperienced president Trump may turn out to be.