As Mohammed Siddique Khan led his group of fellow-believers into London on the morning of July 7, 2005 it is unlikely that they were thinking much beyond the immediate impact of their actions. Driven by anger at the West's treatment of Muslims worldwide, ideas fed to them by foreign extremists, and a sense of extreme rejection of the society in which they were born, they sought to reshape the world in an image they thought would be pleasing to God. But while they felt they were on a holy mission -- as enunciated in Khan's chilling video message, We Love Death As You Love Life-- a far more...