John Duncan may refer to several people including: Wikipedia*
On the C-SPAN Networks:
John Duncan has two videos in the C-SPAN Video Library; the first appearance was a 2014 House Committee. The year with the highest average number of views per program was 2015 with an average of 41,861 views per program.
PreviouslyU.S. Representative Candidate,
L-4 c. January 1, 2010 - c. November 2, 2010 Videos: 2