I see they have found a new leader already! I doubt that killing each successive leader will have an impact on stopping Hamas. It will make support for them stronger. If Israel wants to become completely safe and continue this strategy, they will need to kill everyone that opposes them. Unfortunately, I have no solution and I don't think Sharon does either. A wall might have worked if it fairly separated both sides. Pulling back settlements and not building new ones could work if the settlers would agree to it. They do not.
As I've stated before in another thread, it seems that genocide of either side is the only solution.
A solution which is unacceptable.
Mark