In the past few days a North Korean rocket launch and a giant asteroid both caught America by surprise — and obviously this means the end of the world is nigh. Seriously, U.S. space and intelligence agencies, we pay you not to be taken by surprise, and you let us down this week. After Jon Stewart poked a bit of fun at North Korea's "spontaneous" celebrations, last night he gave us a delicious explanation of said letdown, and yes, Armageddon has something to do with it.