Political polarization at its worst since the Civil War - USC Today
Private: Our Very Unproductive Congress | The Government Affairs Institute
Elusive consensus: Polarization in elite communication on the COVID-19 pandemic | Science Advances
Political polarization in the American public - The Journalist's Resource
Study: Polarization in Congress is worsening, | EurekAlert!
The Rise of Partisanship in the U.S. House of Representatives
Political Polarization
The Rising Electoral Role of Polarization & Implications for Policymaking in the United States Senate: Assessing the Consequences of Polarization in the Senate from 1914–2020
Congress is more polarized now than it's been in 5 decades
The Doom Spiral of Pernicious Polarization - The Atlantic
Political Polarization at All-Time Highs
Congress: More Polarized | Bipartisan Policy Center
There's more to America's polarization than elections | MPR News
Polarization in Congress has risen sharply. Where is it going next? - The Washington Post