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Mark Zuckerberg and wife Priscilla Chan have welcomed their new baby daughter into the world by pledging to give away 99 percent of their Facebook shares -- an estimated $45 billion -- to charity

Mark Zuckerberg and wife Priscilla Chan have welcomed their new baby daughter into the world by pledging to give away 99 percent of their Facebook shares -- an estimated $45 billion -- to charity. CBSN's Elaine Quijano has the letter to baby Max.
Dec 1, 2015 (00:36)
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