(January 19, 2016, 9:13 AM EST) -- WASHINGTON, D.C. — A District of Columbia federal judge on Jan. 13 denied tobacco companies’ motion to recuse himself from their challenge of a Food and Drug Administration industry guidance on whether and when a change to a tobacco product’s label, quantity, additives or specifications renders the later product a “new tobacco product” subject to premarket review (Philip Morris United States, et al. v. United States Food and Drug Administration, et al., No. 1:15-cv-01590 [APM], D. D.C.; 2016 U.S. Dist. LEXIS 3994)....