The trial of Sean Dunn, the D.C. man charged with throwing a Subway sandwich at a federal agent this summer, is officially underway—and off to a hilarious start. After federal prosecutors failed to charge Dunn with a felony, they’re now attempting to get him on misdemeanor assault. And the testimony the “assaulted” officer is sharing of his traumatic sandwich encounter is harrowing indeed. According to court records and video footage of the foot-long fight, Dunn yelled at Border Patrol agent