Sweden's royal family is not alone in Drottningholm Palace
                                
                                
                                    (Newser) -
                                    The home of the Swedish royal family is apparently spook central. But Queen Silvia says not to worry, the "small friends … ghosts" that haunt the 17th-century halls of Drottningholm Palace mean no harm and don't scare her, reports the  AFP . "They’re all very friendly but...