No distinction between the terrorists who commit acts and those who harbor them

What Bin Laden Sees in Hiroshima
Steve Coll/The Washington Post Original Article

At a conference on the future of al Qaeda sponsored by Los Alamos National Laboratory last month, I posed a dark question to 60 or so nuclear weapons scientists and specialists on terrorism and radical Islam: How many of them believed that the probability of a nuclear fission bomb attack on U.S. soil during the next several decades was negligible -- say, less than 5 percent?