Today, Fox News’ campaign reporter Carl Cameron unloaded some startling undisclosed reports of Sarah Palin’s incompetence that he had been given off-the-record on the condition they not be released until the conclusion of the campaign:

CAMERON: There was great concern in the McCain campaign that Sarah Palin lacked a degree of knowledgeability necessary to be a running mate, a vice president, and a heartbeat away from the presidency.

We are told by folks that she didn’t know what countries were in NAFTA — the North American Free Trade Agreement. That’d be Canada, the U.S., and Mexico. We’re told that she didn’t understand that Africa was a continent, rather than a series — a country just in itself. A whole host of questions that caused serious problems about her knowledgeability. [MORE]