Pompeo is likely to come in with the CIA and congressional perspective that the Iran deal was a bad deal. But it doesn't solve the bigger problem of what's going to replace it. And as secretary of state, if he wants to accomplish anything, he's going to have to come up with an answer to that. And he's going to find out that U.S. allies favor continuing the deal, that the Iranians are not likely to budge much. And so he's going to have to grapple with this reality in a way he hasn't before.