The parents of Trayvon Martin, Tracy Martin and Sybrina Fulton, arrive at the trial for George Zimmerman in Seminole Circuit Court, in Sanford, Fla., Tuesday, July 9, 2013. (AP Photo/Orlando Sentinel, Joe Burbank, Pool) by Kyle Hightower and Mike SchneiderAssociated Press Writer SANFORD, Fla. (AP) — Defense attorneys asked a Florida judge on Tuesday to introduce Trayvon Martin's text messages and a Facebook posting dealing with fighting as evidence at George Zimmerman's second-degree murder trial.
