From down-home delis to upscale bistros, dozens of restaurants nationwide are seeking “sanctuary” status, a designation owners hope will help protect employees in an immigrant-heavy industry and tone down fiery rhetoric sparked by the presidential campaign. First inspired by churches, the label is something cities and other public entities have sought to offer local protections to immigrants living in the U.S. illegally, whether it’s barring police from asking citizens about immigration status or refusing to cooperate with federal agents.