I see it's "happy magic solution" day.

You think that a terrorist will not find a way of getting in, fence or nae?

And how effective is a protective fence against mortar fire, precisely?

Heh. Just you try planting mines along the Green Line, or around it. Amnesty will be all over you. Not that anyone really listens to them, unless it's convenient - thing is, for many of our enemies, this will be a convenient time.