Ex-VP and wife, married 40 years, were college sweethearts
                                
                                
                                    (Newser) -
                                    Two weeks after celebrating their 40th wedding anniversary, Al and Tipper Gore are separating,  Politico reports . The Nobel laureate and former vice president and his wife, a photographer and sometime activist, broke the news to friends in an email saying "that after a great deal of thought and discussion,...