(May 7, 2020, 1:00 PM EDT) -- LOS ANGELES — A California vaping trade association and vape shop on May 4 filed a complaint against Los Angeles County and its board of supervisors in U.S. District Court for the Central District of California, seeking to enjoin the county from enforcing a recently enacted ordinance banning all flavored tobacco products that they assert will destroy the vaping industry in the county (CA Smoke & Vape Association, Inc., et al. v. Los Angeles, et al., No. 20-4065, C.D. Calif.)....