18 of 31: In this Friday, March 23, 2012 photo, Bill Stephney talks to his son Trevor, 13, as they sit outside their home in Randolph Township, N.J. Stephney, a media executive who lives in a New Jersey suburb that is mostly white and Asian, has two sons, ages 18 and 13. The killing of Trayvon Martin was an opportunity for him to repeat a longtime lesson: black men can get singled out, ?so please conduct yourself accordingly. (AP Photo/ Mel Evans)

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