George Zimmerman has been arrested and charged with 2nd degree murder ! George Zimmerman, the 28-year-old neighborhood watch volunteer who gunned down unarmed teenager Trayvon Martin, was arrested Wednesday and charged with 2nd degree murder. The 17-year-old Miami high school student was shot and killed in Sanford, Florida on Feb. 26 as he walked back to a friend’s house from a convenience store with a bag of Skittles and iced tea. Zimmerman was taken into custody the night of the shooting, but he was released without charges when he claimed self-defense under Florida’s controversial Stand Your Ground law….