Why 'campaign on terror' isn't being won 15 years after 9/11

London

THIS Sunday marks the 15th anniversary of the 9/11 terrorist attacks in New York. A decade and a half later, and following the US-led offensives in Afghanistan and Iraq, the global terrorism environment has been reshaped by the rising prominence of the so-called Islamic State (IS), originally a splinter group of Al-Qaeda, whose own fortunes have declined significantly.

Yet, while the international landscape has changed, international terrorism remains a continuing concern of policymakers, as recent IS attacks across Europe underline.