Letter to a Great Grandson

''When you are a great grandfather you will experience something so much more powerful and meaningful than being a father or a grandfather, that you will look at the march of generations with new eyes.'' When his great-grandson Alexander was born in 2002, Hugh Downs suddenly gained a rare perspective on the world -- he had seen the evolution of American culture through five generations (his parents', his own, his children's, his grandchildren's, and now his great-grandson's). Once Downs realized