From 1966 to 1968 , while in law school he was a bailiff and law clerk for United States District Judge Herbert W. Christenberry of the same court on which McNamara served .
McNamara served in the United States Navy from 1959 to 1962 .
From 1966 to 1968 , while in law school McNamara was a bailiff and McNamara   for United States District Judge Herbert W. Christenberry of the same court on which McNamara served .
McNamara served in the United States Navy from 1959 to 1962 .