Nikki Haley denounces UNESCO, calls it most corrupt UN agency 01/02/2019 Nikki Haley on Twitter UNESCO is among the most corrupt and politically biased UN agencies. Today the U.S. withdrawal from this cesspool became official. #USStrong❤️?? https://www.oann.com/nikki-haley-denounces-unesco-calls-it-most-corrupt-un-agency/