ARLINGTON, Va.--(BUSINESS WIRE)--Graham Holdings Company (NYSE: GHC) announced today that it sold The Root.com, an on-line magazine focused on news, opinions, culture and entertainment from the perspective of African Americans, to La Fabrica, a division of Univision Interactive Media, Inc. The Root launched in 2008. "Donna Byrd, publisher, and Henry Louis Gates, co-founder, established The Root and made it the success it is today. We are extremely proud and grateful for all they have accomplish