The choreographic genius of Spectrum's Donald Byrd makes God-fearing folk swear and the irreligious cry, "Oh my god!" Partly that's because his dancers present as solid, sweating people, rather than mysteriously gesturing messengers. He consistently brings ideas back to the body--his pas de deux can have an X-rated quality--so you feel the argument he's making. Last night he was perched on the Moore's stage pre-show, mic in hand, "Okay, so it's not a full house......