MONTGOMERY, Ala. - A new survey shows potential presidential candidate Fred Thompson has jumped to the front of the Republican field in Alabama, while the Democratic race between Hillary Clinton and Barack Obama has tightened up. Capital Survey Research Center, the polling arm of the Alabama Education Association, released a statewide survey showing Thompson, a former Tennessee senator born in Sheffield, Ala., favored by 34 percent of likely Republican voters. Thompson was followed by former New York Mayor Rudy Giuliani with 20 percent, Arizona Sen. John McCain with 11 percent, former House Speaker Newt Gingrich, who has not announced, with...