1 I2IThe authority of federal courts to disqualify counsel "derives from their inherent power to preserve the integrity of the adversary process." Hempstead Video, Inc. v. Inc. Vill. of Valley Stream 409 F.3d 127, 132 (2d Cir. 2005Xintemal quotation marks omitted). In deciding whether to exercise this power,

as in favor of his client." 1583 F.3d at 178. Accordingly, the Firm must be disqualified to "preserve the integrity of the adversary process," t Hempstead Video 409 F.3d at 132 ag(t &gt Nyquist, 590 F.2d at 1246), and avoid "taint[ing] the underlying trial, PNyquist 590 F.2d at 1246. Dershowitz has carri