by Mike Krumboltz Political ads are never subtle. And that's by design. After all, there's no time to be delicate when there's an election on the line. Still, even by the lofty standards of past campaign ads designed to terrify voters ( Willie Horton , anyone?), the recent spot for senatorial hopeful Carly Fiorina is a whole new kind of bizarre. We're not sure if she meant to, but Ms. Fiorina, the former Chairman and Chief Executive Officer of Hewlett-Packard,