tweet that you mentioned. a spokesperson for putin wrote, trump's statement echoes what putin has been saying for the past 16 or 17 years about the need for a joint fight against this common threat. no single country can fight it on their own. in terms of your larger question about the best way to tackle it, i don't think anybody exactly knows because there isn't a sort of one size fits all answer to eradicating terrorism. the three examples that president-elect trump gave, one example was in zurich, where three muslims were shot in a mosque. one is a situation in turkey between russia and turkey based on the atrocities playing out in aleppo that frankly could have been any one of a number of millions of muslims who feel horrified by the atrocities they have seen taking place in aleppo. that does not necessarily fall into the rubric in a classical sense of a sort of isis or militant attack. and then you have, of course, the attack that we saw in