About 100 million sharks are killed each year, mostly for their fins. "As the ocean waves wash up onto America's beaches, we find ourselves thinking, nervously, about Steven Spielberg's movie "Jaws" and the paralyzing fear that sharks inspire in us. Yet, paradoxically, we celebrate global attempts to protect the declining number of sharks. The world is figuring out we need these species, along with all creatures of the Earth, to maintain a delicately balanced ecosystem. Shark