In 2013, the European Union declared Wahhabism the main source of global terrorism. But it's not just a “Middle East problem”; it is our problem, too.
Although IS is certainly an Islamic movement, it is neither typical nor mired in the distant past, because its roots are in Wahhabism, a form of Islam practised in Saudi Arabia that developed only in the 18th century.
Twenty years ago, Labour won a landslide on a tide of optimism. Where did it all go wrong?
Find out in this week’s New Statesman. Subscribe now from just £1 an issue.