"Madam President. The nuclear bombs just detonated in China, Russia, and off the coast of the United States did not, I repeat, did not originate from the planet Earth. It is my opinion, and the opinion of everyone here, that the Earth can no longer be defended from the Earth."President Carolina Garcia sat in the Roosevelt Room across the hall from the Oval Office and gazed at the four people sitting opposite her in unblinking shock.As she looked at the Secretary of Defense, the Director of the Central Intelligence Agency, the Director of the FBI, and the Administrator of NASA, her mind was so scrambled that she could not even remember which one just uttered the surreal and blood-chilling identity of the enemy which just attacked earth.