<正> Our daughter,Jill, has two grandmothers who are as dif-ferent as chalk and cheese.One taught her to count cards andmake her face blank when she bluffed at blackjack.The othertaught her where to place salad forks.When Jill was three,thisgrandmother taught her not to touch anything until invited todo so.The other one taught her to slide down carpeted stairson a cookie sheet.