June 10, 2003, 9:30 a.m.The Devil & the Gray LadyAll about vogue. By Mark Goldblatt SEE NOTE Truman Capote, who had a stake in saying so, once famously declared, "All literature is gossip." He was wrong, of course, but it's the kind of declaration that bamboozles literary types by its very implausibility; something so obviously false must be profound, so it gets repeated at cocktail parties and invoked in book reviews (like this one) until it becomes an inside-out cliché, a false truism, a knowing nod towards nothing whatsoever. Still, an interesting question emerges if you reverse Capote's...