When you think of good dancers, it's quite possible that diplomats and former Army men don't come to mind. Though they're highly intelligent, there are just some things even the sharpest minds weren't built for. Yet that has never stopped former U.S. Secretary of State Colin Powell from shaking his thang. He once danced the macarena. Another time, he climbed onstage to perform with the Nigerian hip-hop group Olu Maintain, where he did his own version of a Nigerian dance called the yahoozee. One problem: his moves are more disco than hip-hop.