Since the U.S.-led invasion four years ago, the fifth estate has covered Iraq and the war on terror from virtually every angle — the military, media, intellligence, politics — revealing aspects of the story that you didn't find anywhere else. Now, as the White House warns about the latest threat in the region, this time from Iran, we go back to examine the deception, suspect intelligence, even lies that convinced the world of the rightness of targeting Saddam Hussein.