A bench trial over the future of Denny Blaine Park, Seattle’s clothing-optional beach on Lake Washington, got underway on Wednesday. SEATTLE — A bench trial over the future of Denny Blaine Park, Seattle’s clothing-optional beach on Lake Washington, got underway on Wednesday in a King County Superior courtroom. A judge will decide the next steps for the park after hearing competing claims about nudity, public safety, and the rights of community members who say the space is irreplaceable. This story continues below. “The plaintiffs are asking this court to close Denny Blaine Park. Denny Blaine Park should…