A top ally to Republican front-runner Rudy Giuliani yesterday blasted Fred Thompson for attacking the former mayor -- and New York City -- before even declaring his candidacy for president. "Run or keep your mouth shut!" snarled Guy Molinari, New York co-chairman for the Giuliani presidential campaign. "If you want to bash people, jump into the pool. We're waiting for you," Molinari added. Giuliani's adviser called Thompson out of bounds for penning a column on his blog blasting New York City's gun-control laws under Giuliani and his successor, Mayor Bloomberg. "He's not just attacking Rudy. He's attacking every resident of...