Des Moines, Iowa (CNN) — The communications director for Herman Cain’s presidential campaign has resigned, CNN has learned. Ellen Carmichael told CNN on Saturday her decision is firm but not yet finalized. “I have resigned but the paperwork’s not final,” Carmichael said. Carmichael explained her decision is a personal one and that she’s pursuing other professional opportunities. She also said that her assistant, Francis Boustany, is also leaving out of allegiance to Carmichael. [....] “It’s a very amicable departure,” Carmichael said. “He wished me the best of luck. And I will forever be fond of him and appreciative of this...