Defendant requests jury trial after viral sub-throwing incident in DC
                                
                                
                                    (Newser) -
                                    The former Department of Justice staffer  accused of assaulting a federal officer with a sandwich  pleaded not guilty Wednesday to the misdemeanor assault charge he faces. Sean Dunn, 37, stood before US District Judge Carl J. Nichols, where he appeared "largely stoic," per  NBC News , and opted...