Will they start taking everyone’s temperature at airports forever? Or requiring a recent doctor’s note confirming an up-to-date and healthy physical examination? Will everyone in airports or at least airplanes be required to wear masks from now on? If you think that sounds crazy, remember how we all thought the idea of the whole country shutting down sounded crazy. And here we are. Airline passengers are no longer just ticket-buyers: they’re also potential carriers of deadly viruses.