CAROLYN, YOU ARE AN IDIOT....I offer no apology for passion or moral indignation...
1)Check your facts : Missile defense works.
2)Once again Canada will sleep peacefully because Americans are "On the wall". It's got to feel funny calling yourself an "independent" and "sovereign nation" all the time you are relying on your neighbor to keep your family safe.
How much extra would it cost to have the system merely deflect incoming missles to the north rather than destroying them?