We all remember how George Bush defeated Al Gore by 269 votes in 2000, but how about when Grover Cleveland edged out James Blaine in the election of 1884, an ugly campaign that was the beginning of modern mudslinging. In this tight election year we’ll look back at other hard won presidential elections in our history with guests Tim Walch, former director of the Hoover Presidential Library and Museum, and Cary Covington, a University of Iowa professor of political science.