Which is the smarter move for the conservative politician intent on surreptitiously committing adultery: 1) a literal hooker; or 2) a consensual partner who doesn't require immediate cash compensation, i.e. a ho?
I think factors to consider are things like likelihood of being caught; likelihood of blackmail; likelihood of unfavorable consequences other than detection (say disease); effort, time, and expense required; and impact on the news story if you are caught. Seems like a pretty close question...