"One day a teacher was asking the kids in her fourth grade class to name the person whom they considered the greatest human being alive in the world today -- and the responses were quick in forthcoming and also quite varied too.A little boy spoke up and said, "I think it's Joe Montana. He led the 49ers to another Super Bowl win this year." A little girl said, "I think it's Mother Teresa because she cares for people who are dying and doesn't get paid for it at all." Another little girl said, "I think it's President Bush because he's the President of the United States and the United States is the greatest country in the world." And yet another little boy said, "I think it's Mikhail Gorbachev because he has brought peace to the world." Over and over again, kids cited one celebrity after anoth…