Headline: Impressive material progressPublication Date: Wednesday, November 6, 2013Primary Source: TribLive (Pittsburgh PA)Non-Cato Author: Donald J. BoudreauxType: op-edFormat: Newspaper (Online)Nature of Mention: featuredScholar: CatoResearch Area: International Economics and DevelopmentSubjects: HumanProgress.orgAttached Files: Cato-TribLive_0_1.pdf