AP Photo

I plan to speak to you tonight with the frankness Americans deserve from their president. I've recently noted a number of pundits who suggest that my task here should be to reassure you about Afghanistan. I don't agree. What you need is the unvarnished truth just as it's been given to me. We all need to face a tough situation, as Americans have done so many times in the past, with our eyes wide open. It doesn't pay for a president or a people to fake it or, for that matter, to kick the can of a difficult decision down the road, especially when the lives of American troops are at stake.

During the presidential campaign I called Afghanistan "the right war." Let me say this: with the full information resources of the American presidency at my fingertips, I no longer believe that to...