Herman Cain is no longer running for president. He doesn't think he's likely to be picked as the eventual nominee's running mate, either. But he does have a Cabinet post in mind should the GOPwin the White House next fall: secretary of Defense.

Cain shared the idea with ABC's Barbara Walters during her annual special on the "10 Most Fascinating People." And the veteran journalist was just a bit surprised. (see video below)

"What?!" she asked. "Not Treasury?"