Interest in Trayvon Martin Shooting Spurred By Celebrity Tweets and Petition

An explosion of social media has catapulted the shooting death of Florida teenager Trayvon Martin into the national spot light, with a single petition calling for his killer's arrest now the fastest growing petition in internet history, according to Change.org. Martin, 17, was killed by self-appointed neighborhood watch captain George Zimmerman Feb. 26. Just moments before Martin is killed, Zimmerman, who is white, can be heard muttering something in a call to the police dispatcher which many...Full Story