Gracious Plenty: When somebody sneezes, you say, Bless you or Gesundheit. But suppose that person coughs. Are you supposed to say something--or are they? Plus, Mexican standoffs, gracious plenty, linguistic false friends, southpaw vs. northpaw, the slang of rabbit fanciers, a quiz about animal noises, and where to find a purple squirrel. And what's so humbling about winning an award?