The U.S. election is in just a few days (Tuesday, 3 November). Virtually any outcome is possible. The range is so wide because of the close popular vote margins in a number of states. Note that it is so close that some models predict two outcomes.   The election is based on the collective total of electoral votes that candidates earn by winning a state; those votes are based on the Congressional representation that each state has, plus three for the District of Colombia. Campaign strategies of winning state by state to get 270 electoral votes is like a giant game of sudoku. There are a total of 538 electoral votes, it takes 270 to win the Presidential election. For context, in 2016 Trump beat Clinton 304 to 227, in 2012 Obama be...