Editor's Note: In today’s United States, is being black determined by the color of your skin, by your family, by what society says, or something else? Soledad O’Brien reports “Who Is Black in America?” on CNN at 8 p.m. ET/PT this Sunday, December 15. 

By Yaba Blay and Soledad O'Brien, CNN

(CNN) - Yaba Blay, Ph.D. created the (1)ne Drop Project, a multiplatform endeavor that hopes to challenge perceptions of black identity. Blay, a consulting producer for "Who Is Black in America?" spoke to hundreds of those who may not immediately be recognized as "black" based on how they look, including CNN Anchor Soledad O'Brien.  In this edited excerpt from her forthcoming book, Blay spoke to O'Brien about what makes a person black, and why the conversation is important.

Yaba Blay: How do you identify? Racially and culturally?

Soledad O'Brien: I’m black. I’m Latina. My mom is Cuban. Afro-Cuban. My dad is white and Australian. And I think because of my job, often a question like "How do you identify?" is really not about the question. It’s always "What side are you on?" "What perspective do you bring?" FULL POST