JERSEY CITY -- A traffic stop near the Holland Tunnel yesterday evening lead to the recovery of a shotgun and nearly 200 rounds of ammunition, a police spokesman said. At about 6:30 p.m., a police officer saw a blue plastic drum in the back up a pickup truck that had just passed through the Holland Tunnel toll plaza. The officer stopped the vehicle driven by a Pennsylvanian man to make sure there were no hazardous materials in the drum, Port Authority spokesman Joe Pentangelo said. Police asked the driver Marlon Murphy, 45, of Easton, if there were any weapons in...