Behind the brightest smile, can lay the darkest truth . . . KEETS: I watched in horror the day the World Trade Centre collapsed, taking with it my fiancee and unborn child. As a firefighter on the scene, I blame myself for not rescuing them. Enlisting in the United States Army did nothing to dissuade my guilt, it only proved to me what I knew all along: The world is too cruel, too dark and twisted to live in any longer. So I'm taking the easy way...