Taxi driving is hard work--I didn't make much money but it kept me alive, bouncing around NY city like a pinball, but I'm not sure it trained me to give wise answers to anything but directions and food suggestions.However, I did meet some wonderful folks. Intellectually, the high point of my cab driving career was picking up Susan Sontag. I asked her if anyone asked her if she looked like Susan Sontag and her companion snickered and Ms. Sontag said nothing until I didn't turn onto the FDR drive to get them downtown. Ms. Sontag requested I take the highway and I told her it was a bad interpretation of the traffic...and in my best "newyawkeese," I told her to use better information! She was shocked and asked if I was a phd cab driver...not yet I said. Take the highway she commanded. When we hit a road block on 14th st and I had to take lower east side streets downtown, she warmed to me and asked me about my studies. At the end of the ride I received a gracious tip and apology...I may not win many arguments with Ms. Sontag, but for one night I not only "corrected" her interpretation of traffic, but won her appreciation...now, if I can do that on salinger streets...will