It would be very interesting to see what effect it would have if the entire world stood with a single voice to say that Iran will not be allowed to have this nuclear capability. We certainly can't take any lesson from Iraq other than that it's pretty useless to expect behavior modification from a rogue state with half the world refuses to condemn then and the other half is doing business with them under the table.
Countries are like kids, they're going to play both ends against the middle and if they get even a hint that "no" doesn't mean "Hell NO" they will test the limits.
Poor misguided liberals have it exactly backwards. You avoid war by being ready, willing and able to wage war.
what segement of western civilization do you think that is