If, like me, you've been rooting for filthy-rich dotcom entrepreneur Mark Cuban, then take heart: The grace-challenged terpsichorean has made it to the next round on ABC's "Dancing with the Stars." But he may not have won new fans with his moment of exultation: Wearing an ubergay sleeveless shirt, he pumped his arms straight up in the air, exposing his hairy, sweaty armpits. Then again, maybe you're into that kind of thing.