What on earth are they thinking? The Obama administration and its Democratic allies on Capitol Hill are significantly reducing America's missile defense programs at the very moment when the need for such systems is becoming ever more palpable. It is hard to believe - especially in the wake of the President's much-ridiculed decision to close Guantanamo Bay without a better plan for safely incarcerating its dangerous detainees - that either the Chief Executive or legislators really want to impale themselves on another national security decision that defies common sense.