What's Eating Warren Buffett?

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It takes quite a bit to put Warren Buffett in a bad mood.

Everything from a lackluster market, to tense international relations, to the potential robot uprising was on the agenda for Buffett and his right-hand man Charlie Munger at the annual Berkshire Hathaway shareholder's meeting this past weekend. Nothing a Cherry Coke and a game of bridge can't fix though, right?

Source Fool.com