A scandalous affair has brought down a man referred to by many as one of the greatest generals in US history. But how successful have David Petraeus’ strategies really been in Iraq and Afghanistan? Until a few years ago, few people had heard of Petraeus. But in Washington DC, he has been long revered. His counter-inserguency strategies in Iraq and Afghanistan have been hailed as great sucesses. But his critics say, the legacy of his career is not that stellar and deserves far more scrutiny than the US media and politicians are willing to give it