They can't run ads against it unless they manage to work out some arrangement with the News Publishers.
Technically they might have the legal right to do it, but the Google/News publisher relationship is already strained enough, and Google wouldn't want to strain it more.
I don't see why that would be true. Google News is just links to other sites like any other google search, except for some wire articles that they are actually paying for.
Technically they might have the legal right to do it, but the Google/News publisher relationship is already strained enough, and Google wouldn't want to strain it more.