"In this Friday, March 23, 2012 photo, Bill Stephney and son Trevor, 13, play with a basketball near 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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