January 16, 2014 12:14 pm Calls of justice for Trayvon Martin Supporters demand Sanford, Fla. police arrest admitted shooter George Zimmerman, who says he killed the teen in self-defense US & World Videos 1:20 Congressman's 6-year-old son steals show with silly faces during father's speech 3:41 Analysis: Can Trump lead the U.S. again if he hates parts of it? 8:56 @Issue extra: Acting chair of Cannabis Control Commission talks reclassification, social equity 2:41 Has Kristi Noem's dog-killing story taken her out of the race for Donald Trump's running mate? 14:37 @Issue extra: A retrospective on the Boston 2024 Olympics bid