Richard Nixon on the Torture Memos
Nixon: Well, when the president does it that means that it is not illegal.
Frost: By definition.
Nixon: Exactly. Exactly. If the president, for example, approves something because of the national security, or in this case because of a threat to internal peace and order of significant magnitude, then the president’s decision in that instance is one that enables those who carry it out, to carry it out without violating a law. Otherwise they’re in an impossible position.