If it takes you more than 83 separate instances of waterboarding somebody to decide that they don&#x27;t have useful information to share with you, then waterboarding is not an efficient way to get reliable information.<p>If waterboarding is not an efficient way to get reliable information, then I&#x27;d be very curious to hear about what definition of &quot;work&quot; you&#x27;re using where waterboarding might satisfy, but fail in this particular instance.