“Our response to this situation matters. If we respond to this situation by casting aspersions on millions of people that adhere to a particular religion or if we increase our suspicion of people who practice a particular religion, we are more likely going to contribute to acts of violence than we are to prevent them.” Of course we should not cast aspersions on people who had nothing to do with this jihad attack. But this kind of talk is used to preclude any examination of the motivating ideology underlying such attacks, and that leaves us more vulnerable to more such...