LIPSTICK ON A PIGHere’s how desperate they’ve become. The “rosy scenario” folks, the “never admit a mistake” folks, have decided finally that the only way to salvage a minimum of credibility is, at long last, to level with people about how bad the situation is in Iraq. Do they deserve some credit for candor? Sure. But why did it take so long for them to issue a report like this? And it’s still in