kelly all moderating tonight's contest 9 p.m. eastern right here on fox, and neil cavuto as well. bill: when you think about rasmussen, what he says, 52% of the people in iowa still say they can change their mind between now and -- martha: and you know what? for many of them i think they're just tuning in as many people do. three weeks to go, now thai going to really -- they're going to really start to pay attention, they haven't been out there that much. so they haven't had a chance to think about it yet. so a lot can move. bill: that phase of the campaign certainly has changed this year. all right, one year ago today border patrol officer brian terry was shot and killed. two guns, part of the government's fast and furious gun-running sting, found at the scene of his murder n. a congressional hearing, the head of the fbi, robert mueller, testifying for the first time on this denied his agency was involved in any sort of cover-up to protect any part of the u.s. government. >> let me start with adamantly