Gulf Breeze Elementary Principal Kim McChesney knew her son told deputies he had child porn and still allowed him to walk through her school, a petition says.

But have you heard of a Ponzi scheme? It's a similar investment scam that has wrought havoc in the US over the last century.

The dichotomy of hero versus villain is a popular one in cinema. And, yet, the protagonist doesn't always win in the end. In ...