(March 28, 2018, 12:21 PM EDT) -- GREENBELT, Md. — The American Academy of Pediatrics and several other health groups and doctors on March 27 sued the U.S. Food and Drug Administration in a Maryland federal court, claiming that the administration’s “Guidance,” which changed rules for “new tobacco products,” is unlawful (American Academy of Pediatrics, et al. v. Food and Drug Administration, et al., No. 8:18-CV-883, D. Md.)....