The mother of slain teenager Trayvon Martin is telling a National Urban League gathering in Philadelphia to use her story, tragedy and broken heart to stop the same thing from happening to another ... more 
The mother of slain teenager Trayvon Martin is telling a National Urban League gathering in Philadelphia to use her story, tragedy and broken heart to stop the same thing from happening to another child. (July 26) less 
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Fri, Jul 26, 2013 3:53 PM EDT