Slain candidate's son says he believes there was a 2nd shooter who fired the fatal shots
                                
                                
                                    (Newser) -
                                    Nearly a half-century after bullets took the life of Robert F. Kennedy, Sirhan Sirhan, the man convicted of firing those bullets, has an unlikely defender: Robert F. Kennedy Jr. The slain presidential candidate's third-eldest child tells the  Washington Post  that "I got to a place where I had...