House of Representatives voted on Wednesday to censure Arizona Republican Paul Gosar for posting an animated video that depicting him killing New York Representative Alexandria Ocasio-Cortez.

Are these recent references to violence in political discourse anything new? And if so, what impact could it have on our society?

Kathleen Hall Jamieson, professor at the University of Pennsylvania and director of the university’s Annenberg Public Policy Center, helps us answer those questions.

This article was originally published on WBUR.org.

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