Going for Golden

AS a culture that celebrates youth and beauty, we learn early on that adults are over the hill at 40. Birthdays aren't counted after 50. And by 60 the teasing has stopped and people are genuinely sympathetic. But the joke may be on the young. New research is finding -- with surprising consistency -- that people become happier as they age. Physical and cognitive decline notwithstanding, the later years are for many people the best years of life...