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July 5, 2013 7:22 PM
Trayvon Martin's mother and George Zimmerman's mother clashed on the witness stand over whether the screams for help that can be heard in the background on a 911 call came from the teenager or the neighborhood watch volunteer who shot him. The Obama administration urged a secret U.S. court that oversees surveillance programs to reject a request by a civil liberties group to see court opinions used to underpin a massive phone records database. As many as 10,000 Fourth of July revelers were just settling into their seats for the fireworks show at a Simi Valley park when a bright plume of red and white bursts spread across the ground, injuring more than 30 people and sending others fleeing for safety.