The only thing you can do is shorten the amount of pain you suffer as a result of it, but rightnow, there's nothing that will stop it from happening to you.
If the question is, are we, each time there is an idea, evaluating it and making a decision, is this the best option that we have rightnow, based on how quickly we can stop this leak and how much damage can we mitigate -- then the answer is yes.