Race: genetically speaking

CNN’s got a interesting piece on the genetic differences between the “races.”
Basically, there is none:

“There’s no genetic basis for any kind of rigid ethnic or racial classification at all,” said Bryan Sykes, the Oxford geneticist and author of “The Seven Daughters of Eve.” I’m always asked is there Greek DNA or an Italian gene, but, of course, there isn’t. . . . We’re very closely related.”