Let us trump their ace. If they want to exploit terror to make the city less comfortable, let us at least use it to make it more comfortable. Never forget who was responsible for drastically improving the streets in the City of London over the past decade, with new paving, smart seating, bollards and pedestrianisation. Planners who had refused point blank to close streets because "where would the traffic go?" were miraculously converted by two large IRA car bombs. Where reason had failed, violence worked. The City banned most cars, closed streets, policed them properly on foot and allowed City workers to perambulate freely. The traffic mysteriously disappeared. The City did not die.