They said they'd do it, and by golly, it's been done -- a specially-equipped Audi TTS drove the entire 12.42 miles and 156 precarious turns of the Pikes Peak International Hill Climb without a driver at the wheel. (Google, eat your heart out.) While the vehicle technically performed the feat about a month ago in September, Audi decided to wait until this last week to proclaim it to the world, following a helicopter accident during filming that sent pilot Jim Dirker to the hospital. Thankfully, he survived to fly another day, and at l