United Airlines enacts tougher mask-wearing rules for passengers

Along with other major U.S. airlines, United Airlines is toughening up its policy on mask wearing by passengers. The airline said Monday that you either will wear a mask at all times or you will be placed on an internal travel restriction list. The tougher new policy will take effect on June 18, United said. "While the overwhelming majority of passengers are complying with United's mandatory policy, starting on June 18, any passenger that does not comply when onboard a United flight will be placed…