This past week, I went to five car dealers in an upper-middle-class suburb of Los Angeles to see what SUV I'd like to lease. I wanted to patronize local car dealers because I want them to stay in business. In each case, I experienced the following: I was greeted pleasantly upon entering the dealership. A young salesperson asked if he or she could help me. I told the salesperson the model I was interested in. He or she made a copy of my driver's license and returned with a key to the car, and off we went. In every instance,...