Sean Penn broke his silence following his controversial trip to Iraq with an interview last night on CNN's ''Larry King Show'' by saying he went to Baghdad seeking information, but doesn't feel he is in a position to share what he learned with the American people. Sean Penn on CNN Asked by King what the purpose of his trip to Iraq was, the actor-director said: ''The purpose was information.'' Insisting in a somewhat rambling interview that he doesn't think he ''hurt this country's position,'' Penn accused the Bush administration of trying to ''herd us into this position. We as citizens...