Groups and individuals behind the action argue rule is unconstitutional. . A group of 16 individuals, churches and businesses are suing Gov. Tim Walz over his statewide mask mandate for indoor spaces. Their suit, filed Thursday in Ramsey County District Court, argues that the requirement is unconstitutional, conflicts with state laws, and imposes an undue burden on business owners. It also demands that Walz, state Attorney General Keith Ellison and Dakota County Attorney James Backstrom either show it is consistent with state law or end enforcement of the mandate. Walz faces several lawsuits related to the mask requirement, which he...