<p><b>What an intensely divisive election portends for American politics</b><br><br>The year 2020 was a tumultuous time in American politics. It brought a global pandemic, protests for racial justice, and a razor-thin presidential election outcome. It culminated in an attack on the U.S. Capitol that attempted to deny Joe Biden¿s victory. <i>The Bitter End</i> explores the long-term trends and short-term shocks that shaped this dramatic year and what these changes could mean for the future.<br><br>John Sides, Chris Tausanovitch, and Lynn Vavreck demonstrate that Trump¿s presidency intensified the partisan politics of the previous decades and the identity politics of the 2016 election. Presidential elections have become calcified, with less chance of big swings in either party¿s favor. Republicans remained loyal to Trump and kept the election close, despite Trump¿s many scandals, a recession, and the pandemic. But in a narrowly divided electorate even small changes can have big consequen