First came 'Murder at Pride Lodge', where murder met mayhem in the Pennsylvania countryside. Next was 'Pride and Perilous', the collision of high art and low death at Manhattan's Katherine Pride Gallery. And now, the Pride Trilogy concludes with 'Death by Pride.' It's Gay Pride weekend, the most festive weekend of the year in New York City. Hundreds of thousands of partygoers arrive to show the world how to have a good time. Stalking the party is...