Obama presents himself as uniquely situated to bridge those two cultures because of his biracial heritage.

NPR: Chicagoans: Reports Misrepresent Obama's Church

Growing up in a biracial family, Jeter was subjected to hurtful racial epithets spewed by ignorant people.

FORBES: Connect

They lived in Mississippi, where interracial marriage was illegal, and they worried their biracial daughter would be despised in parts of society.

NPR: Natasha Trethewey: If My Mom Could See Us Now

The result is a remarkable story of an extended biracial family that embarked on a 15-year effort to reunite Walker with her surviving children.

WSJ: Book Review: To Free a Family

Southern Democrats lost their grip on power in North Carolina in 1894 and plotted to wrest control from the biracial Republican Party in 1898 elections.

NPR: How The Only Coup D'Etat In U.S. History Unfolded

In such a country, its citizenry can elect a president from modest means, be he from Little Rock Arkansas or from a biracial family.

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It also may lend an appealing dimension to Mr. de Blasio, a father of two who has made his biracial family a centerpiece of his campaign.

WSJ: Politicians Get Personal in This Year's New York Mayoral Race

White and black was the leading biracial combination, figures show.

CNN: STORY HIGHLIGHTS

Which is you have these scenes between Terence Howard and Thandie Newton, who are both light skinned and probably are biracial, again defining themselves as how black they are.

NPR: 'Crash' Expands Cinema's Exploration of Race

Like President Obama, poet Natasha Trethewey is biracial.

NPR: Natasha Trethewey: If My Mom Could See Us Now