George Zimmerman, who has been in hiding since he was acquitted of murder in the death of Trayvon Martin, emerged to help rescue a family who was trapped in an overturned vehicle, police said today. Zimmerman was one of two men who came to the aid of Dana and Mark Gerstle and their two children, who were trapped inside a blue Ford Explorer SUV that had rolled over after traveling off the highway in Sanford, Fla. at approximately 5:45 p.m. Thursday, the Seminole County Sheriff's Office said in a statement. The crash occurred at the intersection of I-4 and route...