** Economist writer writes: In the days immediately after the attacks on the London underground network in 2005, I remember my own feeling of tension whenever “a man who matched the profile”—young, Middle-Eastern looking—got into my carriage. No matter how many times I slapped my mental-self across the face and told it to grow up, it is possible to accept that a climate of fear does funny things to people. But, in such a climate we are much better served by not pandering to our irrationality. Everyone would be a lot happier for it.