The following story has alway stuck in my head, as I had a passing acquaintance with one of the actors, a Skip Miller, then and even yet a big-shot L.A. lawyer.   Here is the short story, ala Spartacus: "Jamie Scott Enyart was born in 1953. On 6th June, 1968, Enyart, a 15 year old high school student, a high-school student, was taking photographs of Robert F. Kennedy as he was walking from the ballroom of the Ambassador Hotel to the Colonial Room where the press conference was due t