We need a decision on Afghanistan

Now that the election in Afghanistan is settled, whether legitimate or not, it's time for President Obama to make his decision on what to do with the war and troop levels. The popular excuse of waiting for the results of the run-off between Afghanistan's incumbent president, Hamid Karzai, and his challenger Abdullah Abdullah, is no longer valid. By the end of this week America's president needs to face The People and his advisers, lay out the plan and its reasoning, and announce the criteria to determine a win and an end to the eight-year war.
The Washington Post had this article today about the potential complications of dealing with Karzai. General Stanley McChrystal's request for 44,000 additional troops included an expectation that the Afghan government would significantly step up its participation to protect population centers from the Taliban. He wrote,

A foreign army alone cannot beat an insurgency; the insurgency in Afghanistan requires an Afghan solution

How many troops will it take to achieve an objective in Afghanistan if its government DOESN'T participate in a solution? Karzai was elected in 2004, and the war clearly hasn't made any great strides during his five years in office.