Afghanistan has a Taliban problem, but close observers identify its corruption as the main enemy of progress. You can fight an enemy you can see, but fighting an inbred cultural problem is a whole other problem.
You don’t have to be a soldier or diplomat to ask whether President Obama’s withdrawal of our troops from Afghanistan on December 31 is a good idea or not. Consider what happened when he withdrew our troops from Iraq in 2011. The answer to that is the Islamic State which filled the vacuum left behind.