Reversing the Food and Drug Administration’s rejection of applications for permission to manufacture flavored e-cigarette products, an en banc majority opinion from the 5th U.S. Circuit Court of Appeals relied on “four well-established and longstanding principles of administrative law.”Two companies that manufacture flavored nicotine liquids for vaping devices (Vapetasia and Wages & White Lion Investments) argued that the FDA’s denial of their premarket tobacco applications (PMTAs) was arbitrary and capricious under …