Sally Mauk talks with political scientist David Parker about Montana’s expensive Senate race….

The final figures confirm that Montana’s 2012 U.S. Senate race between Democrat Jon Tester and Republican Denny Rehberg smashed campaign spending records, with at least 47 million dollars poured into the race – almost three times what was spent in the 2006 Tester/Burns race. Montana State University political science professor David Parker is writing a book on the 2012 race. In this feature interview, Parker breaks down the campaign spending numbers with News Director Sally Mauk…