There are some people who rise above the ordinary and show us what real talent is. One of those rare finds is Bobbie Medlin.  Bobbie’s eponymous shop in Georgetown is a treasure trove of gorgeous goods from around the world.  Her one-of-a-kind necklaces blur the line between jewelry and art bringing a sense of mystery and allure to the woman who wears them. She is a rock star!           Jewelry as décor.  I draped one of Bobbie’s pieces on a bust in a 2007 installation. The turquoise beads were the perfect finishing touch.           Bobbie Medlin just relocated to the corner of M…