them and it says they have been executed. >> terrible. if the world, graeme, unites against isis, will these attacks have backfired? >> you know, in some ways, isis wants an attack. they have been talking about this for ages, that they expect -- in fact they are certain it's going to happen. and they want to goad the west into an having an attack and a disastrous battle between muslims and crusader christians. i'm not so sure, for one thing, that they would actually like the results of a full assault on their territory. but on the other and, it is possible for them to cause the west to do things that are not in the west's interests, you know, tensions are very high. the blood is hot. and foreign policy decisions made in this context have a tendency to go wrong. i think having some caution is probably wise. >> graeme wood, contributing