After 9/11 the US response to Al-Qaeda - the Global War on Terror - was heavily influenced by the 'clash of civilizations' theory. First introduced by Bernard Lewis in 1993 in an article entitled 'The Roots of Muslim Rage', this theory was taken up by Samuel Huntington in his famous book The Clash of Civilizations: Remaking of World Order in 1996. After the end of the Cold War global conflict will not be economic or ideological but cultural and religious...