The fact that you say you don’t know @brett_mcgurk speaks volumes about your commitment to fighting ISIS @realDonaldTrump. Why don’t you know the man who has done more than any civilian to degrade ISIS? I can assure you @BarackObama knows him well. https://t.co/OzvKRrmVF5

— Susan Rice (@AmbassadorRice) December 23, 2018