The term "radicalization" has become linked to Islamic terrorism, but what does it really mean? Are all terrorists radicalized? How do people become terrorists, and how has terrorism changed since the Cold War? Terrorism expert Martha Crenshaw, Senior Fellow at the Freeman Spogli Institute for International Studies (FSI) and Professor of Political Science, answers these questions and more, speaking with FSI Director Michael McFaul.

To see how militant organizations have changed over time, view Mapping Militant Organizations at https://web.stanford.edu/group/mappingmilitants/cgi-bin/. To learn more about Professor Crenshaw's work on terrorism, check out her most recent book, Countering Terrorism, at http://cisac.fsi.stanford.edu/publication/countering-terrorism.

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