America’s longest war will go down in the history books as a tragic loss for the U.S., the people of Afghanistan and the security of the world from future terrorist attacks.

For two decades, the U.S. government invested more than $85 billion to train and equip the Afghans to defend themselves from the Taliban. And all that came to an end in the span of a weekend. Despite assertions to the contrary by the current administration, the frenzied rush out of Kabul looked to many like the withdrawal of U.S. forces from Saigon some 46 years before.

It will take months and years for everyone from military intelligence to historians to unpack all the consequences of the last few weeks in Afghanistan. What will happen to the girls and women of that nation? What of our Afghani friends and partners over the past 20 years? Will that nation once again be an exporter of terrorism? Was the U.S. intervention all for naught? Those are just a few of the questions that come to mind.

Unfortunately...