(Reuters) - A federal law prohibiting marijuana users from possessing firearms is unconstitutional, a federal judge in Oklahoma has concluded, citing last year's U.S. Supreme Court ruling that significantly expanded gun rights. U.S. District Judge Patrick Wyrick, an appointee of former Republican President Donald Trump in Oklahoma City, on Friday dismissed an indictment against … [Read more...] about Ban on marijuana users owning guns is unconstitutional, U.S. judge rules