SAMUEL J. SINCLAIR is Co-Founder and President of the Society for Terrorism Research (www.societyforterrorismresearch.org). He is currently a Fellow in Psychology at Massachusetts General Hospital and Harvard Medical School. He is also Founder and Co-Editor-in-Chief of the peer-refereed journal Terrorism Research, and developed as well as collaborated with an international Editorial Board comprised of some 80 experts from 14 countries on five continents. Sinclair is also the developer of the Terrorism Catastrophizing Scale, a new assessment tool measuring anticipatory fears about terrorism. He...