Lisa Miller's take for Daily Intelligencer shows why that's a tough question to answer
                                
                                
                                    (Newser) -
                                    The man who tried to kill Ronald Reagan to impress actress Jodie Foster  was released from a mental facility  in September after nearly 35 years, and now that he's home (under rigid limitations) with his nonagenarian mom in Williamsburg, Va., 61-year-old John Hinckley Jr. is trying to rebuild his...