The year 1993 saw the inauguration of a Democratic U.S. president and a Republican mayor of New York. We're exploring the dynamics that took root when Bill Clinton and Rudy Giuliani rose to the height of their political power—and their impact on the world in 2023. On Today's Show: How today's hyper-partisanship got its start in the 1990s. Guests: Nicole Hemmer, political historian and founding director of the Rogers Center for the American Presidency at Vanderbilt University, co-host of the podcasts This Day in Esoteric Political History and Past Present and the author of Partisans: The Conservative Revolutionaries who Remade American Politics in the 1990s (Basic Books, 2022) and Steve Kornacki, national political correspondent for NBC News and MSNBC and the author of The Red and the Blue: The 1990s and the Birth of Political Tribalism (Ecco, 2018).