In a recent op-ed in the New York Times, titled “America’s Brutal Racial History Is Written All Over Our Genes,” Libby Copeland writes: “The debate around race consuming America right now is coinciding with a technological phenomenon — at-home genetic testing kits — revealing many of us are not who we thought we were. Some customers of the major DNA testing companies, which collectively have sold 37 million of these kits, are getting results that surprise them.” We talked with Libby Copeland, author of The Lost Family: How DNA Testing Is Upending Who We Are, last year. The book is coming out soon in paperback. We’ll check back in with Libby Copeland today.