The heartbroken family of a tourist who was struck and killed by a red light-running bike rider last summer requested mercy for the cyclist, prosecutors said Monday, believing he should become a bicycle safety advocate instead of an inmate.A remorseful Randolph Ang, 23, pleaded guilty to misdemeanor vehicular manslaughter Monday in connection with the July 15 collision at Mission Street and The Embarcadero that killed Dionette “Didi” Cherney, 68, of Washington, D.C. Read More