Violence (IMAGE) University of Pennsylvania Caption Americans have low levels of support for political violence Credit Derek E. Holliday, Shanto Iyengar, Yphtach Lelkes, and Sean J. Westwood Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.