Band forced to postpone tour of Japan
                                
                                
                                    (Newser) -
                                    Guitar great Eddie Van Halen has had emergency surgery for a digestive problem, and could be out of action for up to six months, reports  People . The 57-year-old rocker suffered from a severe bout of diverticulitis, which involves an inflammation of the colon. His band Van Halen, which recently released...