For the past two calendar years, Trenton has set violence records no city wants to see. The city suffered 40 homicides each year, the highest ever during crime record-keeping, and many were shootings and occurred in often unexplainable bursts of street violence. Some were gang warfare, others were violent revenge. Some were innocent victims caught in the gunplay. The city just went two months without a homicide – that last one was June 1 – but officials are not interested in calling attention to the accomplishment, much less celebrating it, especially the police department. Police Director Ste…