In the aftermath of the Algerian hostage crisis, David Cameron issued an ominous warning of the continued threat from terrorism. But is al-Qaida more, or less, dangerous than before?Last week the world took another step towards succumbing to an existential threat. Again.Speaking in the aftermath of the spectacular seizure and siege of an Algerian gas refinery by Islamist extremists 10 days ago, David Cameron warned of how "we face a large and existential terrorist threat from a group of extremists based in different parts of the world who want to do the biggest possible amount of damage to ... Read More