I think we should definitely, on the quiet, explain to all the governments of the region, and tell them to get the message to the terrorists, that any more strikes on the US, and we will nuke Mecca. Some might say that this will mean war with 900 million Muslims. I think it might be a heavy psychological blow for them. If their moon god was real, would he really let us blow up their meteor? I don't think so.
SO....their choice is, go back to their pathetic existence, and watch modernity bring the stupidity of their raghead culture and religion to light, slowly extinguishing it from the planet, or have it extinguished for them by force if they try to impose it on the civilized world. If they are smart, they will choose the former, where they can continue to enjoy their heritage and hope for better days, rather than the latter, which will ensure a massive loss of life and the death of their culture.
Actually, I'm in favor of a very dirty bomb air bursting over Mecca. Let them see their moon god's rock but not get close to it for a few thousand years. We could get really sneaky and have this dirty bomb launched on a rickety ICBM from N. Korea (nudge, nudge, wink, wink) at our troops in Iraq but it just happens to veer off-course. Such a pity...