Models and music don’t usually make a good mix, but Jack White sure knows how to pick ’em, considering his wife, Karen Olsen, has some great set of legs pipes. Don’t believe me? Check out her first music video for the title track off her 12 songs debut album “The Ghost Who Walks”. Simple, yet strangely spooky, the video features Karen gently strumming her acoustic guitar unfolding a gentle ballad. The Ghost Who Walks was…