When Carmi Gillon, who headed the General Security Service at the time of the Rabin assassination, explained in his recently-published book why he didn\'t reinforce security around Prime Minister Rabin, even though it had received reports of threats to kill him: \"We did not believe that a Jew would get up and kill the Prime Minister.\" Yet Margalit Har-Shefi is scheduled to begin a nine-month prison sentence on March 21 for not stopping Yigal Amir when he said that Rabin should be killed.