HELENA — Montana Supreme Court justices on Wednesday questioned whether people have a constitutional right to sell medical marijuana even though the drug is illegal under federal law.

State attorneys asked the justices to rule that a district judge made a mistake last year when he blocked part of a new medical marijuana law that bans the commercial sales of pot in Montana.

James Goetz, the attorney for the Montana Cannabis Industry Association and the other plaintiffs challenging the new law, said the court should not reverse Judge James Reynolds' ruling, but instead take it further and...