sentences:  Although he himself had never owned a gun, as a Constitutional scholar he had an academic interest in the subject and wanted to model his campaign after the legal strategies of Thurgood Marshall, who had successfully led the challenges that overturned school segregation.They aimed for a group that would be diverse in terms of gender, race, economic background, and age, and selected six plaintiffs from their mid-20s to early 60s, three men and three women, four white and two black