cknowledge this fact in any response it files. 20 Cf.The Last Word with O'Donnell — MSNBC (Jan. 8, 2015), http://www.msnbc.com/the- last-word/watch/alan-dcrshowitz-on-allegations--totally-false-381942851573 (Dershowitz: "Right now, they have accused me of these ... things without a single affidavit, without a sing