In non-Petraeus news today, Nebraska Sen. Chuck Hagel, as expected, announced that he would not seek a third term:

I will not seek a third term in the United States Senate, nor do I intend to be a candidate for any office in 2008 ... It has been my greatest honor and privilege to serve my country and represent my fellow Nebraskans in the U.S. Senate. My family and I will be forever grateful for this opportunity and the trust placed in me by the people of Nebraska. It has enriched all of us.