Hidden Common Ground 2020 (HCG 2020) is an election-year partnership between Public Agenda and USA TODAY, along with the National Issues Forums Institute and the America Amplified public media collaborative. It is supported by a diverse group of foundations, including Carnegie Corporation of New York, the John S. and James L. Knight Foundation, the Charles Koch Foundation, and the Rockefeller Brothers Fund, as well as through the generosity of individual donors. In addition, the Kettering Foundation is a research partner of the initiative.