Hearing, "You don't look old enough to be a grandparent," is a little like being a good-looking corpse. Not the greatest compliment. Baby boomers entering the grandparent years are launching a small semantic revolution to avoid the traditional label of senior citizen status. These youth cult boomers are demanding that their grandkids call them names with a younger sound than the traditional "grandma" and "grandpa." "Baby boomers don't want to adhere to the blue-haired old granny stereotype. They are choosing young-sounding names for themselves because generally they don't think of themselves as grandparent age," says Norah Burch, 30, a self-described...