'Why should Americans trust you?' Trump asked

By James OliphantWASHINGTON (Reuters) - In a heated moment during his unconventional and combative news conference on Thursday, President Donald Trump’s command of the facts was openly challenged by a reporter who asked, “Why should Americans trust you?”The issue was the margin of victory in the U.S. Electoral College, which Trump asserted early in the news conference was the “biggest” since fellow Republican Ronald Reagan, who was elected in 1980 and 1984.Trump def