HOW quickly we forget. Just a few weeks ago, millions pledged to end what Bob Geldof called the pornography of African misery played out on our television screens each night. Since Live8, we have heard little about the continent and its troubles. We were, in fact, told that our outpouring of concern had forced a unique deal from the leaders of G8 countries. Given the terrorist attacks in London, and their extraordinary aftermath, little real analysis was done of that Gleneagles deal - and whatever did appear was eclipsed by the bombings.