The dearth of public bathrooms and overtaxed parking in Point Reyes Station has spurred the county to study additional parking and restroom options for West Marin. But original plans to study the crisis hit an unexpected snag when the proposed contractor turned out to be a nuclear weapons developer. A contract for the work, priced at about $61,000, was set for approval by the Board of Supervisors agenda a few weeks ago. Yet, a few…