...to be mindful when they're out on the beach or in the open generally," said Hilka Klinkenberg, founder of Etiquette International. "If they haven't, they don't suddenly become mindful people on the beach." Pet peeves on the beach...

...Where else do you that?" THE TIP ON TIPS Tipping tips from etiquette expert Hilka Klinkenberg, founder of Etiquette International in New York: At a diner, tip 15 percent, going up to 20 percent for excellent service. For fine dining...