July 18, 2004 LIVES When One Is Enough By AMY RICHARDS as told to AMY BARRETT I grew up in a working-class family in Pennsylvania not knowing my father. I have never missed not having him. I firmly believe that, but for much of my life I felt that what I probably would have gained was economic security and with that societal security. Growing up with a single mother, I was always buying into the myth that I was going to be seduced in the back of a pickup truck and become pregnant when I was 16. I had friends...