Rep. Andy Barr Questions U.N. Ambassador Linda Thomas-Greenfield on China, America First Policy June 16, 2021 U.S. Representative Andy Barr (KY-06) questions U.N. Ambassador Linda Thomas-Greenfield on China, America First foreign policy and Afghanistan during a House Foreign Affairs Committee hearing on Wednesday, June 16. Permalink: https://barr.house.gov/2021/6/rep-andy-barr-questions-u-n-ambassador-linda-thomas-greenfield-on-china-america-first-policy