(September 17, 2020, 1:57 PM EDT) -- DENVER — A hydraulic fracturing company on Sept. 14 sued the city and county of Broomfield, Colo., in Colorado federal court, contending that it is using its regulatory and police powers in bad faith to "illegally and unconstitutionally" shut down the company's operations (Extraction Oil & Gas Inc. v. The City and County of Broomfield, No. 20-2779, D. Colo.)....