Charlie Munger, Warren Buffet's longtime sidekick at Berkshire Hathaway, dies at 99

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FILE - Berkshire Hathaway Vice Chairman Charlie Munger listens to a question during an interview on May 7, 2018, in Omaha, Neb. Berkshire Hathaway says Munger, who helped Warren Buffett build an investment powerhouse, has died. (AP Photo/Nati Harnik, File)