bruce hoffman, a terrorism expert who worked for the u.s.y's elite, documents many examples where he says terror did work. the islamic jihad attacks on u.s. troops in lebanon in 1983, and the ability of islamist terrorists to force israel into negotiations for hostages to this day. and israel is an example that offers lessons for today. hoffman has spent years studying the political violence in palestine. he argues that effort included everything from diplomacy and lobbying to civil disobedience and, yes, terrorism. he writes, quote, the jewish terrorism campaign was arguably the first post-world war ii war of national liberation to clearly recognize the publicity value inherent in terrorism. the violence was often choreographed for an audience far beyond the local population. that's from his latest book. hoffman is director of the center for security studies at the georgetown school of foreign service. he's one of the top terror experts in the u.s. and also expert of the classic study inside terrorism. an honor to have you here. welcome, br