The year 2020 is a hugely significant one for the United States of America, marking as it does the 400th anniversary of the arrival of the Mayflower Pilgrims to the New World and their establishment of a 'godly' colony in (what was for them) the 'American wilderness'. But it is also the year of the next Presidential election, one where the current occupant is expected to stand for re-election. Many millions of Americans will not see this...