WITH a bit of numeracy and ample political will, our transportation mandarins can solve our metropolitan nightmare overnight. They can use the full powers of the government to rein in the use of cars and other private vehicles with a draconian proclamation, then ask all agencies and instrumentalities of the State to implement the car regulatory policy. The load factor tells the full story. It also gives the government a compelling, moral and urgent reason to rein in car use. Let us look at the basic numbers. ....