Headline: The 10 Richest People in AmericaLink: http://time.com/money/5095574/the-10-richest-people-in-america/Publication Date: Tuesday, January 16, 2018Primary Source: Time MagazineOther Sources: MSN MoneyNon-Cato Author: Alix LangoneType: new media postFormat: New MediaNature of Mention: mentionedScholar: CatoResearch Area: Government and PoliticsPolitical PhilosophySubjects: Charles Koch