Even in this candidly confessional age, we've been conditioned to avoid discussions of death. Our youth-worshipping culture does everything to deny death, which is why, when the end nears, most of us are inadequately prepared to deal with it. And the cost of that is great: many are haunted by memories of how inappropriately or painfully or uncomfortably their parents and grandparents died. Many of us avoid even considering the options, in all their...