Lawyers for the Drakes Bay Oyster Co. and Interior Secretary Ken Salazar will square off Friday before a federal judge in Oakland in the first round of a legal battle to continue the commercial oyster operation in the Point Reyes National Seashore. At stake is Salazar's decision in November not to renew a 40-year lease that gave oyster farm operator Kevin Lunny the right to commercial operations in 2,500-acre Drakes Estero, a five-fingered estuary that features extensive eelgrass beds and a harbor seal colony. The decision, hailed by wilderness advocates, gave Lunny's company 90 days to shut down a business...