<p>Tracy Martin and Sabrina Fulton </p>

Tracy Martin and Sabrina Fulton

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Commentary Trayvon, tragedy and travesty

Like many Americans, my sleep was troubled this weekend. It was troubled by the ghosts of past injustices, a feeling given fresh currency by a late-hour “not guilty” verdict given in Sanford, Fla., that freed George Zimmerman in the shooting death of unarmed teenager