The Missile Defense System became an obsession by the Republicans of the USA (click here). Noted in the video at the title of this entry, a forum at MIT, the primary 'cowards' behind much of the MDS movement was/is Lewis Libby and Paul Wolfowitz (9:55 on the video).
The 'idea' that the USA could be completely 'immune' from a nuclear technology that it currently spreads widely throughout the world, including India and the Middle East, is an aborition of the presumption of peace. That in itself is flawed and should never be viewed as a 'strategic' goal of any country. If Hitler were to have such a weapon/defense system, the world would know a different reality.
The balance of power throughout the world is a matter of a fine balance of 'equity.' The 'space component' to peace and its diplomatic inititative envisoned by the late President John F. Kennedy cannot be abandoned by the global community. Its preposterous to believe that any nation regardless of 'its image' in regard to democracy and peace can be completely trusted with the 'power' that can be harnessed in space weaponry.
Peace, when pursued vigorously, is in little need of such advanced technology or goals. The pursuit of such technology by the Republicans of the USA, in the face of its aggressive advocacy for nuclear technology globally that will lead nations into nuclear weaponry; is a complete contradiction of the 'idea' that MDS is a deterrent for any nuclear military capacity. Quite the contrary, as Bush demands concessions from Russia in regard to MDS in Europe, there is exceeding evidence that his advocacy for a nuclear capacity of India in sales to the Middle East is simply to expand the ability to manifest war rather than deter it.