The deceptive radicalism of Joe Biden

Joe Biden as change-maker is still a jarring picture, somehow. But that makes it all the more likely to materialise Joe Biden as change-maker is still a jarring picture, somehow. But that makes it all the more likely to materialise © Tom Brenner/Reuters

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.