If people in the U.S. could become knowledgeable and well-educated about the world being shaped in their name, about the lives and hopes being disfigured by U.S. wars and weapons, they might resist pouring crucially needed resources down the rat hole of military spending.
So, why we still have troops in Afghanistan? The list of reasons are endless, depending on whom you ask. One might even say the United States is keeping troops in Afghanistan as a way of maintaining leverage over China due to our recently acquired debt.
Our only realistic choice in Afghanistan is serious rural development -- that is, reconstructing the Afghan countryside through countless small-scale projects until food crops become a viable alternative to opium.