Trayvon Martin's family wants shooter George Zimmerman prosecuted
                                
                                
                                    (Newser) -
                                    An unarmed black teenager was shot and killed by Neighborhood Watch volunteer George Zimmerman on Feb. 26, and Zimmerman has yet to be charged; now  Reuters  reports that the FBI is monitoring the controversial Sanford, Florida, case, which has garnered nationwide attention. Trayvon Martin, 17, was walking through a gated...