Nate the snake There's this civil engineer who has a dream of a super-interstate-highway running from Los Angeles to Washington DC. After years of lobbying, he finally is awarded a contract to construct a perfectly-flat, perfectly-straight 16-lanes-each-direction highway from Los Angeles to Washington. So he employs all the best surveyors, to make sure the highway is a perfect straight-line from LA to DC and to make sure it stays perfectly flat. He subcontracts with only the best construction cr…