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This is the Cato Daily Podcast for Wednesday, December 19th, 2018.

I'm Caleb Brown.

What do trends in illegal drug smuggling tell us about illegal immigration.

For one, a border wall is a particularly inapt solution to the problem.

That's from Cato's David Beer.

His new policy analysis is entitled,

How Legalizing Marijuana is Securing the Border His new policy analysis is entitled how legalizing marijuana is securing the border

available today at Cato.org.

What are the appropriate parallels that we can draw out between drug smuggling

and illegal immigration into the United States.

Well both are transnational forms of a black market and it's worthwhile to study both of them because they both have similar dynamics in that they're not regulated by the governments directly and they operate in the shadows.

And so trying to understand how they work is important to understand both phenomena.

So one of the things that you point to in your paper is the difference among interdiction efforts

of people and drugs trying to cross the border either between ports of entry or actually at ports of entry.

So what do we know about in recent years about drug interdiction at the border either between ports of entry or at

ports of entry. Well the most important thing that's happened in the last

...