(October 26, 2020, 11:55 AM EDT) -- DENVER — A group of discount cigarette manufacturers filed a complaint on Oct. 15 in Colorado federal court against the state and its officials to block enforcement of a proposed minimum cigarette pack price hike that they allege is an unconstitutional form of “price-fixing” that was negotiated in a “back-room deal” with premium-brand tobacco companies (Liggett Group LLC, et al. v. State Of Colorado, et al., No. 20-3107, D. Colo.)....