Republican state Sen. Zach Nunn has defeated incumbent Democrat U.S. Rep. Cindy Axne in Iowa’s 3rd Congressional District election. Results showed Nunn with 156,237 votes (50.26 percent) compared to 154,084 (49.57 percent) for Axne, according to The Associated Press, which called the race on Nov. 9. “We’re going to work with people not just across the…