But you are right, given the risk aversion that has swept and IMHO weakened
this country I really surprised that driving hasn't become as regulated as
flying.

It's less regulated in the sense that just about anybody can get a
license and drive. It's more regulated (there's a better phrase but I
can't think of it) in the sense that minima are much higher. In
aviation, it is legal to do things that require skill, and prudent not
to if you don't have the skill. In driving, if it requires skill, it is
illegal. For example, it's illegal to go seventy miles an hour, but it
is perfectly legal to fly 210 feet above the ground while in clouds.

Jose
--
He who laughs, lasts.
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