Donald Trump's unusual inaugural address

Quite a contrast between the inaugural address of Donald Trump and the inaugural addresses of the three preceding presidents, each of whom served eight years. Not in length though: the 45th president spoke for 16 minutes and 14 seconds, just a tad more than the average of 15 minutes and 40 seconds for the 42nd, 43rd and 44th.

Trump was far more confrontational than was Bill Clinton in 1993 or George W. Bush in 2001. Both these presidents, born the same year as Trump, started off by paying tribute to their immediate predecessors, as did Barack Obama in 2009 and Trump this year — a tradition started by Jimmy Carter in 1977.