President Trump has suggested sending many of the people illegally pouring across the U.S.-Mexico border to so-called sanctuary cities, since those locales publicly state they will not cooperate with federal immigration authorities.

But as Trump and his advisers determine whether this is feasible, should the administration pursue this idea? Is there any legal precedent for it? And can the federal, state, or local governments afford to this or maintain the status quo?

In this podcast, we get answers from Rob Henneke, director of the Center for the American Future at the Texas Public Policy Foundation.