WaPo :

Lt. Gen. David H. Petraeus, who is President Bush's choice to become the top U.S. military commander in Iraq, posed a riddle during the initial march to Baghdad four years ago that now becomes his own conundrum to solve: "Tell me how this ends."

That query, uttered repeatedly to a reporter then embedded in Petraeus's 101st Airborne Division, revealed a flinty skepticism about prospects in Iraq -- and the man now asked to forestall a military debacle. Read on...