SOUTH LAKE TAHOE, Calif. - Officials are looking to capture some of Lake Tahoe's biggest polluters: Canada geese. A sewage spill at the lake last summer "is nothing compared to what's happening with these geese," said Jack Spencer, a federal Department of Agriculture wildlife biologist. Spencer said the bottom of Lake Tahoe is covered by up to two inches of goose feces in some areas. A 10-pound Canada goose can produce four pounds of nitrate- and phosphate-rich feces every day it waddles across the beaches, lawns and golf courses of Tahoe. The birds find refuge on Tahoe, one of the...