FROM CNN's Jack Cafferty: Her "One Nation" tour may be taking a brief pit stop in Arizona, stop but the dust Sarah Palin has kicked up along the way has yet to settle. [cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2011/images/06/06/art.palin.jpg caption=""] The former Alaskan governor started off a well publicized family bus tour in Washington on Memorial Day weekend on … Continue reading Is Sarah Palin's publicity stunt helping or hurting Republican chances in 2012?