We've talked for a long time about approaching a constitutional crisis.

We are now in it.

Every single day the president is making a case.

He's becoming self-impeachable.

But we're fighting all the subpoenas.

Look, these aren't like impartial people.

On this central question, the special counsel's finding is clear. Case closed. Case closed.

The next presidential election is not until next year. Meantime, the Trump White House and Congress

are battling over the law and invoking the Constitution, each trying to establish a political

playing field that provides an advantage.

Committees of Congress have issued subpoenas to various witnesses, but the President has

ordered all his aides and former aides not to comply. Is he above the law? What are the limits

of congressional oversight? Is this a constitutional crisis? Will the Supreme Court

try to resolve it? Or let the other two branches of government duke it out on their own? Let's start

with a phrase that's obscure to most Americans, but which could be decisive. The Unitary Executive.

Josh Blackman is professor of constitutional law at South Texas College of Law in Houston.

He's an adjunct scholar at the Libertarian Cato Institute as well.

Good to have you back on our program.

Thank you so much for having me back.

What is the Unitary Executive and why should we care?

In our system of government, we have three branches. We have the courts, we have the Congress,

and we have the executive. Our constitution is somewhat unique in that the powers of the

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