As many states and municipalities have issued mandatory mask orders for businesses that are open to the public, operators like retailers and restaurants have been thrust into the front lines of reducing the spread of the virus by requiring customers to wear masks when on their premises. This has led to confrontations that sometimes result in violence - and even in the deaths of some workers. Due to the volatility of some of these confrontations, the Centers for Disease Control and Prevention has issued a guide for limiting workplace violence associated with COVID-19. The guidance recommends: Offering customers options to…