As the world mourns the loss of Mary Tyler Moore, there is a special subset that is taking this especially hard, and I am one of them. Even though it was no secret that her health had been failing for many years, to those of us who were teenagers during the years when the Mary Tyler Moore Show aired, she remained forever young, forever optimistic, forever spunky. "I hate spunk," said Lou Grant, played by Ed Asner, in an early episode- maybe even the premier. But we bought int