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Unlocking Deval Patrick's Past with Autosomal DNA

Unlocking Deval Patrick's Past with Autosomal DNA

Unlocking Deval Patrick's Past with Autosomal DNA

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3:09

Decoding Our Past Through DNA Promo

Decoding Our Past Through DNA Promo

Decoding Our Past Through DNA Promo

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0:23

Jessica Alba's Mexican Roots

Jessica Alba's Mexican Roots

Jessica Alba's Mexican Roots

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3:13

The Stories We Tell Preview: Kara Walker

The Stories We Tell Preview: Kara Walker

The Stories We Tell Preview: Kara Walker

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Finding Your Roots: Season Three Preview: Donna Brazile

Finding Your Roots: Season Three Preview: Donna Brazile

Finding Your Roots: Season Three Preview: Donna Brazile

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2:56

The Irish Factor: Bill O'Reilly

The Irish Factor: Bill O'Reilly

The Irish Factor: Bill O'Reilly

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5:17

The Irish Factor: Soledad O'Brien

The Irish Factor: Soledad O'Brien

The Irish Factor: Soledad O'Brien

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The Irish Factor: Bill Maher

The Irish Factor: Bill Maher

The Irish Factor: Bill Maher

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1:57

In Search of Freedom Preview: Shonda Rhimes

In Search of Freedom Preview: Shonda Rhimes

In Search of Freedom Preview: Shonda Rhimes

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1:09

In Search of Freedom Preview: Maya Rudolph

In Search of Freedom Preview: Maya Rudolph

In Search of Freedom Preview: Maya Rudolph

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1:20

In Search of Freedom Preview: Keenen Ivory Wayans

In Search of Freedom Preview: Keenen Ivory Wayans

In Search of Freedom Preview: Keenen Ivory Wayans

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1:39

Tragedy + Time = Comedy: Bill Hader

Tragedy + Time = Comedy: Bill Hader

Tragedy + Time = Comedy: Bill Hader

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1:00

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Finding Your Roots

Tracing Tina Fey's Paternal Line

Professor Gates introduces Tina Fey to her 5th Great-Grandfather, John Hewson, a British textile manufacturer who was once the esteemed guest of founding father Benjamin Franklin.