Anthony Young, an analyst at Dahlman Rose & Co., talks about his investment strategy for companies that produce rare-earth metals including Molycorp Inc., owner of the world’s largest rare-earth deposit outside China.   Young, Thomas Graedel, a professor at Yale University, and Byron Hawes, editor of RareMetalBlog.com, also discuss uses for rare earths and reports that Japanese researchers have found large deposits of rare-earth minerals on the Pacific seabed. They speak with Pimm Fox on Bloomberg Television’s "Taking Stock."