"Chuck Anderson is in Washington today to save the thing that bit off his arm. ... Anderson is in town for what could be the largest gathering of American shark-attack survivors to date -- and certainly one of the oddest lobbying blitzes ever on Capitol Hill. At least nine survivors plan to press the Senate to put new restrictions on fishing for sharks, some species of which are in deep decline. Thirty-two percent of the sharks and rays that live in the open ocean were classified as "threatened" this year by the International Union for the Conservation of Nature. Scientists fear that ocean ecosystems could be knocked out of whack by the loss of their "apex" predators. "