9: US Election aftermath: A peaceful transition?

The US Presidential election has resulted in a clear win for Joe Biden that has been acknowledged by leaders around the world. But in the White House, the loser Donald Trump still refuses to concede defeat. Nigel Fletcher asks what this means for the prospects of a peaceful transition of power, and what lessons can be learned from the last four years. His guest is Dr Richard Johnson, lecturer in US policy and politics at Queen Mary, University of London.