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.

Berkshire Hathaway is adjusting the rules for its March Madness pool. Warren Buffett says he hopes to award $1 million to someone this year, but they’re going to need a fair bit of luck on their side,