Shareholders at the Berkshire Hathaway (NYSE:BRK-B) annual meeting saw a unique sight: Warren Buffett invited Doug Kass -- a certified Berkshire short-seller -- to ask tough questions throughout the day. Motley Fool analysts Joe Magyer and Rex Moore, who were in Omaha, offer their thoughts on the bear experiment.

Rex Moore and Joe Magyer own shares of Berkshire Hathaway. The Motley Fool recommends and owns shares of Berkshire Hathaway. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.