It was -25 F as the snow swirled all around, making it impossible to see. Explorer and dog trainer Keizo Funatsu called out into the darkness, "I'm here I'm here " Yet the howling winds were so loud that no one could hear his cries. He was lost in Antarctica. Keizo was part of an international expedition that had just dogsledded 3,725 miles across the frozen continent, past the South Pole. He had left his tent to feed the sled dogs when a blizzard...