The Soviet Union used to alternate between bald leaders and ones with formidable hair. The US, which is seldom ruled by the smooth of pate, swings around a different axis. It seems to crave a breather after each high-drama president.
The Richard Nixon years gave on to some water-treading under Gerald Ford and Jimmy Carter. Ronald Reagan led to George H.W. Bush and the prelapsarian tranquillity of the 1990s.
Financial Times