The glammy, gloomy band?s 2006 opus The Black Parade was nearly the emo American Idiot. They never took to being that genre?s sweethearts, though, so this is a clean break: synthed-up anthems suited for the car, not the coffin. Trouble is, they were better at Alice Cooper excess, and the album?s concept — cartoon band battles evil corporation — never coheres. There?s no there there, emotional or otherwise. B?