the dapa case. which was held to be unconstitutional. >> the fifth circuit -- >> and this is -- i don't think it's a perfect analogy, but it's an analogy. and why shouldn't the government -- why shouldn't the executive branch be able to make its own determination as to what it considers proper exercise of the constitution? i mean, every branch of government can determine for itself whether it wants to take an action that it considers to be unconstitutional. >> well, two points, your honor. first, the fifth circuit never reached the constitutional claims there. so ag sessions' claim that they did us with wrong. and second, of course the defendants remain free to set their own enforcements. and if that's all they have done here, we would have an unreviewable act of discretion, but they did not simply set enforcement priorities. they set forth a determination about the scope of their authority. that would be binding on the agency. >> they said it was inconsistent with the ina, i think. >> they said it