Probably.
Just like everyone else, they do their research to see what will appeal to voters, in this case women. Apparently the wife having an influence in the husband’s affairs is appealing to the female electorate.
Then again, who knows?
Didn’t Rudy Giuliani does something just like this in 2008, or was it the compromising Howard Baker clone, Fred Thompson? Think it was Rudy having his wife call into a debate via cell phone