Jim Zeiler, the regional field director who was one of the five disgruntled staffers who left, explained his decision with a devastating assessment of Cain, saying the candidate was more interested in jet-setting than running a campaign that incorporates traditional grassroots techniques.

“He’s not inquisitive. He wants to be in front of the adoring crowds, but he doesn’t seem to be interested in the issues,” Zeiler, a former regional field director for Cain’s campaign said…

A half dozen others, a mix of former staffers and volunteers, said that they too doubted Cain’s campaign priorities and grasp on the issues, though they were willing to speak only on background and off the record.