It’s done. America has officially retreated from Afghanistan. No, that doesn’t mean that all Americans have retreated. Hundreds have been left behind. Today is a dark day in our nation’s history. I’ve written thousands upon thousands of words about the tragedy. 

Here I wrote about the conceptual problem that triggered the demand for withdrawal.

Here I wrote about our nation’s duty to prevent a humanitarian catastrophe.

I explained why the Afghan Army collapsed so suddenly here.