No exceptional circumstances whatsoever, whether a state of war or a threat or war, internal political instability or any other public emergency, may be invoked as a justification of torture.

That there is your entire argument against anyone who says differently. it's part of US law by treaty, Lawyers who claimed anything different in making policy should have been aware that there is a history of arresting and sentencing for excusing and allowing such action.

Any idiot can face a crisis - it's day to day living that wears you out.