Headline: US Adds New Requirements for Visa Waiver CountriesLink: https://www.voanews.com/a/us-adds-requirements-visa-waiver-program-countries/416…Publication Date: Friday, December 15, 2017Primary Source: VOA NewsType: new media postFormat: New MediaNature of Mention: citedScholar: CatoResearch Area: Immigration and Labor MarketsSubjects: a visa waiver program