Montclair resident Barbara Webster, a self-employed bookkeeper representing Montclair Campaign for Peace and Justice, was one of five anti-war protesters arrested yesterday in Newark, for staging a peaceful sit-in in the Gateway Center lobby where US Senators Frank Lautenberg and Robert Menendez have offices. Webster, 64, tells Baristanet the protest is part of a nationwide effort to stop further funding of the war in Iraq and Afghanistan. "Our goal was to camp out in the senator's office until he signed the pledge we delivered last week, or until the office closed and they called the police to get us out....