He just told the truth: he didn’t know.
What he should have added: My wife Cindy handles all of that!
That would have demonstrated that his wife is a powerful independent woman of her own, it would have brought smiles to the majority of women voter’s faces, and it would be the truth. Cindy McCain handles the family real estate deals.
That would have garnered the "traditional family" vote, eh?
Hers, mine and ours.
What a lovely, progressive, couple.