Evil Editor contemplates alien invasion

For those aspiring authors willing to have the fruit of their painful aspirations and hours of worked generally mocked and trashed, Evil Editor has always been willing to oblige. But today he's let his readers turn their laser beams on him, as long as they're coming from outer space and willing to destroy the rest of the world. Here is my favorite we're doomed story, and I'm sure all my CW friends will appreciate it.