Etiquette expert Alison Cheperdak joins ‘Varney & Co.’ to break down rising concerns over declining air travel manners and explain why dressing clean, staying courteous and respecting fellow travelers matters now more than ever. Etiquette expert Alison Cheperdak joins ‘Varney & Co.’ to break down rising concerns over declining air travel manners and explain why dressing clean, staying courteous and respecting fellow travelers matters now more than ever.