Government Ratings I was amused recently to see that the federal government has rated vehicles on their propensity to turn over. Their ratings are based on a math formula, not on a field test. But who needs the federal government to tell them the obvious? Anybody with sense enough to pour rain out of a boot knows that a tall vehicle will tip easier than one built low to the ground. After all, racing cars are not built low to the ground just for looks. Anytime a vehicle gets into a turn, centrifugal force and gravity have a contest. Gravity...