Robert Gates: ‘Concern’ How Hillary Used Home Server, Took Foreign Cash

SCHIEFFER: “Does it bother you, this controversy, this sprung around her about having her own server on the e-mails and deleting e-mails and all that have business?”

GATES: “Well, I think it's a concern. I never used e-mail for official business when I was either -- well,  when I was director of CIA e-mail was still in its infancy. But as secretary of defense, I would use it for personal things, but I never used e-mail for business. And I just think it's a risky way to try to do business."