'Unlikely Brothers' Chronicles Forging of a Unique Bond...

Aired: 6/17/2011 | 0:09:15 | Clip
Siblings don't always have to share a mother or a father to forge a lasting bond. Human rights activist John Prendergast and "little brother" Michael Mattocks speak with Gwen Ifill about the highs and lows of their unlikely "brotherhood" and their new book.

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