Herman Cain is spending a significant chunk of time this month promoting This is Herman Cain!, not doing traditional campaign events, reports the New York Times:

And according to his public campaign calendar of events, where 19 of the 31 days of October are blank, there will not be much glad-handing in the immediate future. That is just fine with Mr. Cain, a former business executive who has recently surged to the top tier of candidates in early polls. The latest Quinnipiac University poll, released Wednesday, found Mitt Romney and Mr. Cain essentially tied within the poll’s margin of sampling error.
“I’m trying to run this campaign like a start-up business, which means lean and mean,” Mr. Cain said in an interview on Tuesday, wearing his signature black cowboy hat. “There’s a new sheriff in town.”