If this article is accurate (it's Politico so 40% chance) this could get real interesting. I get the feeling Obama, McCain, Comey, & Clapper might want to lawyer up.
http://www.politico.com/blogs/under-the-radar/2017/09/27/trump-dossier-buzzfeed-legal-fight-243223
http://www.politico.com/blogs/under-the-radar/2017/09/27/trump-dossier-buzzfeed-legal-fight-243223