Russia and France are threatening to veto any U.N. Security Council resolution that authorizes military action against Iraq. Is a veto the same thing as a "no" vote? For the Security Council's five permanent members, voting "nay" is, indeed, tantamount to a veto, per a rule known as "great power unanimity." The word "veto" is nowhere to be found in the U.N. Charter, but the document does mention that Security Council decisions "shall be made by an affirmative vote of nine members, including the concurring votes of the permanent members." So, if permanent members China, Russia, France, Great Britain,...