Warren Buffett's former lieutenant quit to build her own Berkshire Hathaway, and she just closed her first deal

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· *Warren Buffett's protégé recently left Berkshire Hathaway to build her own conglomerate.*
· *Tracy Britt Cool's Kanbrick investment firm struck its first deal this week, taking a stake in Thirty-One Gifts, Bloomberg reported.*
· *The former Pampered Chef CEO is sticking to what she knows by investing in another...