It is utter unreality to imagine that the USA needs to win a war in Afghanistan or that they can win a war in Afghanistan, in my opinion...or that any useful purpose can be served by trying to.

The Russians tried that. The British tried it. Alexander the Great tried it. It always ends the same way. The Afghans fight the foreigners until they leave, then the Afghans return to fighting amongst themselves until the strongest local warlord establishes temporary control of the place and things get back to normal...Afghan style.

Obama has badly lost his way with that war.