From 'Morning Edition': A look at Marion Hammer, who championed 'Stand Your Ground'
Tracy Martin (left) and Sybrina Fulton appear at a forum held by Democratic members of Congress in Washington on Tuesday. Lawmakers discussed the death of the couple's son, Trayvon Martin, and racial profiling.
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A memorial to Trayvon Martin sits outside The Retreat at Twin Lakes community in Sanford, Fla., where the teenager was shot and killed by George Michael Zimmerman.
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