Warren Buffett says he would vote for Mike Bloomberg over Bernie Sanders, but doubts his endorsement would help the billionaire

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· *Warren Buffett would vote for Mike Bloomberg over Sen. Bernie Sanders, he told CNBC on Monday.*
· *However, the famed investor doubted his endorsement would help the billionaire and former New York City mayor's chances of securing the Democratic presidential nomination.*
· *"I don't think another billionaire...