National security is more than a flick of a switch

摘要

The security of our public infrastructure will be an issue for decades to come. That much is depressingly clear from the events of the past month. Our transport system, sports stadiums, offices, restaurants — anywhere, in fact, that brings large numbers of people together — will appear fair game to those who bomb indiscriminately. 'What is to be done?' is the question that has preoccupied the national media since 7 July. A myriad cultural, political, economic, educational and judicial solutions have been served up — including, of course, technological.