A whale's tail....

...used to be feet! 

via LiveScience:
The first whales once swam the seas by wiggling large hind feet, research now suggests.

These new findings shed light on the mysterious shift these leviathans made away from land.

There is also a link at the bottom to an article about gay whales. I bet Sarah Palin hates whales, just like she hates polar bears. Charlie Gibson should ask her if she does tonight. The American people want to know! Or at least I do...