The October 7 massacre by Hamas of over 1,200 people has forced us to entirely rethink our ideas about terrorism October 7 could surpass September 11 in significance and path-altering power when the history of the West is written a hundred years later. Planes crashing into the twin towers of New York was a blinding trailer. Parachutes landing on a music festival has taken us breathlessly close to a clash of civilisations. 9/11 first awakened Western civilisation to the horror that there is an enemy willing to blow itself up to destroy your home, symbols that you most cherish. It...