Agreed -- what was the point of Petraeus' testimony?

An excellent editorial in the Sept. 10 Oklahoma Daily:

http://hub.ou.edu/articles/article.php?item_id=1939381827&section_id=398493765

An excerpt:

Optimism about Iraq is hard to come by, though Petraeus hoped to engender it with his remarks yesterday. Instead, he exposed how irrelevant America has become in Iraq.