In January, Republican Scott Brown shocked the political world by winning the U.S. Senate seat once held by Ted Kennedy in deeply Democratic Massachusetts. Could it happen again? Could a Republican Congressional hopeful knock off a longtime Democrat who has won all re-election attempts by landslides? What issue is driving this campaign? And why does GOP hopeful Marty Lamb believe he can emerge from a crowded Republican field and defeat Rep. Jim McGovern in November? We discuss all these questions with Marty Lamb.