Avideo of a woman slapping and punching an elderly man on a Delta Air Lines flight for eating without a mask has gone viral. Incidentally, the woman herself was not wearing her mask properly while the altercation took place. The video shows the woman asking the elderly man, who is eating, to put his mask on. He tried to reason with her, saying he was eating. But the woman follows it up saying, “Who invited you to come sit here?” After that, there was a brief exchange of verbal abuse between the two.(snip) After a few more abusive words were...