Freed: Driven to distraction by the good, the bad & the overconfident

I was a passenger in a friend’s car recently when another motorist zipped by a little close, so my normally polite pal beeped the horn and hissed: “What an idiot! That guy can’t drive!”
But it was an uncertain “beeping situation” and I thought the other driver was probably hissing and saying the same thing — each dismissing the other as a terrible driver.
In fact, study after study shows over 90 per cent of us think we are safer, better drivers than the