The commanders emphasized problems in southern Afghanistan, where Taliban insurgents continue to bombard towns and villages with rockets despite a new influx of American troops, and in eastern Afghanistan, where the father-and-son-led Haqqani network of militants has become the main source of attacks against American troops and their Afghan allies…

“I think it is serious and it is deteriorating,” Admiral Mullen said Sunday on CNN’s “State of the Union” program. “The Taliban insurgency has gotten better, more sophisticated, in their tactics.” He added that General McChrystal was still completing his review and had not yet requested additional troops on top of the those added by Mr. Obama.