Mealey's (February 16, 2016, 9:09 AM EST) -- WASHINGTON, D.C. — A District of Columbia federal court must dismiss a lawsuit filed by various tobacco companies challenging a guidance document issued by the U.S. Food and Drug Administration because the document is not a final agency action and the plaintiffs have failed to show they will suffer any significant hardship if review is withheld, the FDA argues in a Feb. 10 reply in support of its dismissal motion (Philip Morris USA Inc., et al. v. United States Food and Drug Administration, et al., No. 15-1590, D. D.C.)....