A five-day anti-war camp-out at the downtown Marine Recruiting Station (MRS) aboard a Code Pink truck, designed to draw attention to the March 19 five-year anniversary of the Iraq War, turned nasty Tuesday afternoon: An attorney says the city may be using code enforcement to selectively stifle free speech at the Code Pink protest, and a Code Pink activist says she was assaulted by a city of Berkeley code enforcement supervisor. The large truck dubbed “Green Zone,” adorned with potted plants and trees, has been parked since Monday in front of the Marine Recruiting Station at 64 Shattuck Square. A...