Oprah's Next Chapter:

Sheryl Sandberg: The 3 Biggest Mistakes Working Women Make

Oprah calls Sheryl Sandberg's book, Lean In, the "new manifesto for women in the workplace." Watch as Sheryl shares three lessons for every working woman: believe in yourself, make your partner a real partner, and don't leave before you leave. Plus, Sheryl tells Oprah how her personal mantra—"What would you do if you weren't afraid?"—inspires her, personally and professionally.

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