LOS ANGELES (Reuters) - The gilded treasures of King Tutankhamun are on their way back to the United States in what could prove a gold rush for Egypt and big business. "Tutankhamun and the Golden Age of the Pharaohs" starts a 27-month tour of the United States in June 2005 that will mark the first return here in more than two decades of the precious artifacts buried with the mysterious boy king. The exhibit is twice the size of the late-1970s King Tut global tour which launched an era of "blockbuster" museum exhibitions. This year's version will charge up to...