Department of Transportation Secretary Sean Duffy has asked travelers to restore “civility” as they fly — like saying please and thank you, and not wearing pajamas to the airport. The campaign featured a video that begins with a look-back on the early days of air travel, showing people dressed elegantly in what the narrator called a time when taking to the skies was “a bastion of civility.” It then transitions to a montage of videos from modern day flights, showing barefooted flyers dangling the