Restaurants criticized by Herb Caen used to retort that his heavy smoking must have dulled his taste buds. Though a splendid writer, he was a well known freeloader. My mother worked for many years as a secretary at Grayline Tours. He would call for favors from time to time. Mr. Mulpeters who ran the operation promulgated a policy that Caen got whatever he wanted because the company could not stand a withering review.