How’s this for a fast food slogan: “Have It Your Way, Even if You’re the Reclusive Author of What Some Would Argue Is the Greatest Novel of the 20th Century.” It might not fit on a Burger King wrapper, but the Home of the Whopper can now also bill itself as the sometime home of J. D. Salinger, who expressed his preference for that hamburger chain in letters that were recently made public by the University of East Anglia in Britai