In Terrorism before and after 9/11 – a more dangerous world? , researchers from the US Department of Defense and the RAND Corporation used data from the University of Maryland's Global Terrorism Database and the Uppsala Conflict Data Program to produce a quantitative look at the long-term trends in terrorism: the short upshot is, terrorism is up globally because of massive increases in places where US troops have been sent as occupiers, presenting a target-rich environment for terrorists -- but when you take those places out of the data, terrorism is way, way down worldwide. (more…)