Well, then, we will hold this in mind going forward...
Letter reprinted here for ease in reading:
The Attorney General Washington, D.C.
March 7, 2013
The Honorable Rand Paul United States Senate Washington, DC 20510
Dear Senator Paul: It has come to my attention that you have now asked an additional question: "Does the President have the authority to use a weaponized drone to kill an American not engaged in combat on American soil?" The answer to that question is no.
Eric H. Holder, Jr."