Without which an eventual withdrawal wouldn't have been possible. If he didn't do all that, the reason behind the war to begin with (afghan's hosting terrorists) wouldn't have been solved making withdrawal impossible. You'll note, there are no terror plots originating from Afghanistan now. And to be fair, most of that credit goes to Bush, but Obama didn't dismantle what Bush started just for the sake of appearances of pleasing the Nobel committee. Say what you will, but he did great militarily.