Friedman: The 1960's Corvair, condemned by Ralph Nader as unsafe at any speed. Since Nader's attack it is being increasingly accepted that we need government protection in the marketplace. Today there are agencies all over Washington where bureaucrats decide what's good for us. Agencies to control the prices we pay, the quality of goods we can buy, the choice of products available. It's already costing us more than $5 billion a year. Since the attack on the Corvair the government has been spending more and more money in the name of protecting the consumer. This is hardly what the 3rd...