Tester and Rehberg seek edge in final debate

BOZEMAN — U.S. Sen. Jon Tester sought at a debate Saturday night to interject a new attack into a Senate race full of well-worn accusations by arguing that his Republican opponent Denny Rehberg is flip-flopping on Medicare.

The two squared off Saturday night in Bozeman for a fourth and final debate — and neither was pulling punches.

AP Photo/Bozeman Daily Chronicle, Adrian Sanchez-Gonzalez

Democratic Sen. Jon Tester, left, makes a point during a debate against Republican challenger Congressman Denny Rehberg on Saturday at Riverside Country Club in Bozeman.

Polls show that the race remains tigh...