Buffett issues a March Madness bracket challenge to all employees who work at Berkshire Hathaway companies. If you can put together a perfect bracket, Buffett will award you $1 million. The only problem is that perfect brackets don't exist. It's basically impossible to do. So, unfortunately, Warren has to keep his money.

But if you're a basketball fan, then you probably only care about one thing - March Madness. It's the NCAA Basketball Tournament, and if you can't take to the court, you can play along at home with the CBS Miami Bracket Challenge. So it's time to brush up on your college basketball knowledge.