This is the Cato Daily Podcast for Wednesday, July 20th, 2016.

I'm Caleb Brown.

Leading candidates for the presidency are unlikely to take to heart the most important

lessons of the last 15 years of American warfare, but those lessons are

essential to stemming a rising tide of costly American military intervention across the globe.

Chris Prouble is one of the editors of our foreign policy choices

Rethinking America's global role

a new white paper released this week.

There is the superficial sense that there is actually a debate going on in this country about

foreign policy which Donald Trump might have contributed to this sense in one's

respect or another in some of the things he said along the way about

allies, about nuclear weapons, about going after ISIS and the like.

But it's our contention that his views on foreign policies such as they are are so utterly

incoherent and disconnected to any sort of theory or idea about how the world works.

It's just very episodic and all over the place, that we may be having

a debate, but it's just not a very good one.

And so we're trying to raise the level of discourse and talk about these issues in a serious way, in a serious

systematic way, a way that approaches individual cases, different problems,

different places, but with a common theme of what we call restraint.

What is missing from that debate?

You said it's incoherent on one side, but the other side seems to be fairly bellicose.

I think that, I mean, the bellicose. I think that, I mean, the bellicosity is the one constant, right?

...