NEW YORK, NY October 30, 2009 —Former New York City Mayor Rudy Giuliani campaigned today in Mahwah, NJ for Republican gubernatorial candidate Chris Christie. Bergen County, New Jersey's most populous, is shaping up to be the battleground in Tuesday's election. WNYC's Bob Hennelly has been spending time with the campaigns and voters in Bergen County. He discusses the last days of the race with Issac Davy-Aronson.