Police Keep Close Eye On Border Vigilantes Vigilantes Spark Protests From Civil Rights Groups POSTED: 3:48 pm PDT July 15, 2005 UPDATED: 5:28 pm PDT July 15, 2005 SAN DIEGO -- A group of volunteers that plan to start monitoring the San Diego County-Mexico border this weekend -- and their foes -- will not be allowed to commit vigilante or racial violence, authorities said Friday. Participants in the grassroots project "Operation Border Watch" must limit their involvement to "eyes and ears and talking," San Diego County Sheriff Bill Kolender warned. "If there's any violation of the law ... on either...