The state of Alaska will release thousands of Sarah Palin's emails from her first two years as governor Friday, a disclosure that has taken on national prominence as she flirts with a run for the presidency. The Newt Gingrich campaign  was rocked  Thursday by the resignation of key staffers in Iowa and South Carolina over ogranisational differences The U.S. Pipeline and Hazardous Materials Safety Administration has order that TransCanada Corp.'s Keystone crude oil pipeline  not restart until the company has met requirements set by the US regulator.