TRUFFLED FEATHERS The CEO of a large pharmaceutical company has invited Carolyn Blue and her husband to the Big Apple for some serious wining and dining. But before she gets a chance to get a true taste of New York, the CEO is dead-keeled over after a heaping helping of pastrami. Talk about high cholesterol. Or was it high crime?  "Food columnist Carolyn Blue is a confident and witty detective with a taste for good food and an eye for murderous detail." (Earlene Fowler)