Over the weekend, one of the nation's richest and best-known capitalists came out in favor of more regulation for banks. In the following video, Motley Fool contributing writer John Maxfield discusses what this means for the nation's largest banks.

At the Berkshire Hathaway annual meeting, Warren Buffett's right-hand man said that banks should be prohibited from trading derivatives.
Over the weekend, one of the nation's richest and best-known capitalists came out in favor of more regulation for banks. In the following video, Motley Fool contributing writer John Maxfield discusses what this means for the nation's largest banks.




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