B ill Pulte has spent his first days as the acting director of national intelligence firing senior personnel. But according to the law, he’s not even eligible for the job he occupies. On this matter, the act of Congress that created the position he now occupies seems unambiguous: “The Principal Deputy Director of National Intelligence shall act for, and exercise the powers of” the DNI when that position is vacant, as it is now. Not “may” serve. Shall . The current principal deputy is Aaron