Hi, everyone, Jake Tapper here.

If you're a fan of the lead, I think you're going to like this special mini-series I'm

about to share with you.

In it, you're going to hear conversations I had with eight U.S. commanding generals who

led the war effort over four administrations from the former Afghan ambassador to the U.S.,

Angle here directly from veterans who served.

We examined the mission and the missteps, and in this episode, whether U.S. troop levels

could have ever changed the trajectory of the war eight years after it began.

Plus our conclusion, and the bigger question of whether the past 20 years of war was worth

the immeasurable cost.

So here's the second part of our documentary, America's longest war.

What went wrong in Afghanistan?

Go back and listen to part one if you haven't already.

And thank you for listening.

When he won, it was transformative.

We had a first black president, commander, and chief, and I was like, well, if it's any

time to serve the country, perhaps now would be a great time.

My name is Richard Brookshire.

I was a sergeant and I served in Afghanistan in 2011.

How do I feel about Obama's handling of the war in Afghanistan?

It's a difficult kind of thing to tread because, you know, as a young black man, you want

to admire this person, you know, and I do in many ways.

...