[REBROADCAST FROM September 4, 2024] For our series, Get Po-LIT-ical, we're reading political history books in the leadup to the election. We start with The Presidents and the People: Five Leaders Who Threatened Democracy and the Citizens Who Fought to Defend It, by author Corey Brettschneider, professor of political science at Brown University, who tells us about his research and the lessons for our politics today.