it's more difficult to secure americans when they're traveling around the world. so frankly, because of their ability to travel, particularly from north africa into europe, you saw in the summer of 2010, the european al-qaeda threat. so in the nearer term, i worry about american interests in the region in places like pakistan and afghanistan, but also americans traveling over the summer holidays in a place like europe. >> all right. thank you very much. want to go beyond the headlines for more on the tornados. carl azuz and chad myers are with us. i want to begin with you, carl. it sounds strange, but at one point, meteorologists and folks could not warn or did not warn people about impending storms and tornados. can you explain why? >> you're exactly right. it's mainly because the thinks at the time, tools were so primitive in predicting weather patterns. the thinks at the time was it was better to leave people in