This is a lovely exchange. Bill is really trying to find a way out for Palin but Cameron just keeps spilling the gossip:
Update: Articles are beginning to pop up, such as this one from the Guardian:
Fox News, a channel that had been generally flattering in its coverage of the “Palin phenomenon”, reported that aides were astonished when they learned she was unaware that Africa was not a country but a whole continent. She was also said to be unable to name the countries that belong to the North American Free Trade Agreement: the US, Mexico and Canada.