Are you prepared for the impending zombie invasion? That's the question posed by the Centers for Diseases Control and Prevention in a Monday blog posting gruesomely titled, "Preparedness 101: Zombie Apocalypse." And while it's no joke, CDC officials say it's all about emergency preparation. "There are all kinds of emergencies out there that we can prepare for," the posting reads. "Take a zombie apocalypse for example. That's right, I said z-o-m-b-i-e a-p-o-c-a-l-y-p-s-e. You may laugh now, but when it happens you'll be happy you read this, and hey, maybe you'll even learn a thing or two about how to prepare...