It looks like rare earth elements are getting slightly less rare. According to a research note released by Goldman Sachs today, the world's rare earth supply deficit will probably reach its apex this year, before converting into a surplus by 2013. Goldman's analysts constructed their projections based on evidence that many Western companies have begun building their own mines, in response to China's overwhelming market dominance. Today, the People's Republic produces about 90-percent of the world's rare earth minerals -- a group of 17 elements that are used to manufacture many of the flat screen TVs, hybrids and cellphones we've come to know and love. Over the course of the past few years, China has only consolidated its hold on the ind