The date the testimony was given is noted in parentheses.
Dr. Ben Carson, Testimony before House Committee on Appropriations Subcommittee on Transportation, Housing and Urban Development, and Related Agencies (https://docs.house.gov/meetings/AP/AP20/20190403/109216/HHRG-116-AP20-Wstate-CarsonB-20190403.pdf) (04/02/2019)