If burning sources that lie to you is not a cardinal rule of journalism, it damn well ought to be. I suspect that Marcy’s honest sources will respect her more for this, and her dishonest ones will be very very nervous. Isn’t that something that all journalists ought to strive for? Sullivan lauded Marcy for being a journalist with a conscience — which she is, but that’s not the point here. The point is that Marcy is a journalist with a spine.