The seminal case on executive authority exercised in a declared national emergency is the case in which President Nixon ordered that the steel industry be nationalized. Youngstown Sheet Tube Co v. Sawyer Sawyer v. Youngstown Sheet Tube Co, 343 U.S. 579, 72 S.Ct. 863, 96 L.Ed. 1153, 26 A.L.R.2d 1378 (1952) The defense asserted was that the President’s order amounted to lawmaking, a legislative function which the Constitution has expressly confided to the Congress and not to the President. President Truman claimed he was acting in a national emergency as the Commander and Chief. It is settled law that the...