Family members spotted shared photos of 'Grateful Doe'
                                
                                
                                    (Newser) -
                                    For 20 years, he was known as "Grateful Doe." Now, police have confirmed a man killed in a car accident in Greensville County, Va., with two ticket stubs for a Grateful Dead concert in his pocket, was Jason Callahan, a 19-year-old from Myrtle Beach, SC,  who'd set...