NO MORE BENCHMARKSUh, were there some kind of Congressional hearings yesterday?http://www.washingtonpost.com/wp-dyn/content/article/2008/04/08/AR2008040803501.htmlAsked repeatedly yesterday what "conditions" he is looking for to begin substantial U.S. troop withdrawals from Iraq after this summer's scheduled drawdown, Army Gen. David H. Petraeus said he will know them when he sees them. . . .A