United Airlines says all passengers waiting for planes must now wear masks

If you're waiting to catch a United Airlines flight, the airline said today that you'll have to wear a mask. Chicago-based United (Nasdaq: UAL) said "customers will be required to wear a face covering in the more than 360 airports where the airline operates around the world. This includes United customer service counters and kiosks, United Club locations, United's gates and baggage claim areas." If you don't cooperate with the new policy, United said you could be barred from traveling. "The most…