Jack Kingston: What is next for Trump?

Donald Trump can't and won't bring himself to concede that he lost the Presidential election. Amid the talk of legal challenges in a slew of states the Republican party is under strain - most senior figures sticking with the President, some very publicly backing away. Stephen Sackur speaks to the former Congressman and loyal Trump backer Jack Kingston. What longer term lessons should his party be taking from the imminent loss of the White House?