Picture this…

You round the bend of the interstate doing a nice, easy 65 mph and suddenly find yourself slamming on your brakes and screeching to a stop, almost rear–ending a pick–up truck.

Horns are honking and the highway looks like a gigantic parking lot, with stopped cars stretching as far as the eye can see.

It’s the mother of all traffic jams. You’re already running late for work.

To make matters worse, it’s summer. Heat is radiating from the …