Headline: Postal Service is essentialLink: https://www.ellsworthamerican.com/opinions/letters-to-the-editor/postal-service-…Publication Date: Friday, August 7, 2020Primary Source: Ellsworth American (ME)Non-Cato Author: Phil NealType: letterFormat: Newspaper (Online)Nature of Mention: citedScholar: CatoResearch Area: Government and PoliticsSubjects: the USPS