'No country right now including allies can adequately identify terrorists'. Correct and gets to the heart of the problem. In other words, people's intentions ca

'No country right now including allies can adequately identify terrorists'. Correct and gets to the heart of the problem. In other words, people's intentions cannot be judged by the stance their government takes. In the absence of adequate identification, minimizing the chances of someone being maimed or killed is, for me at least, more important than the 'tarnishing' or not of a country. The question then comes down to estimates of the likelihood of this happening with incomers from country X bearing in mind that it's what is likely to happen in the future rather than in the past that counts. I have no data to hand on this so cannot comment. Maybe the estimate is very low in which case the anti-ban people are right. Otherwise?