Scope and Contents From the File: Here, the ACLU represented appellants Cohen, a taxpayer in San Francisco, and Low, an attorney practicing in San Francisco, who challenged a recently-enacted city ordinance designed to regulate escort services in the city. The ordinance imposes a permit or license requirement upon escort services, which both the Mayor of San Francisco and the city's Chief of Police claim are usually "fronts for prostitution." An “escort service” is “[a]ny business, agency or person who, for a fee,...