William P. Clark
William Patrick Clark, Jr. , American rancher, judge, and public servant, served under President Ronald Reagan as the Deputy Secretary of State from 1981 to 1982, United States National Security Advisor from 1982 to 1983, and the Secretary of the Interior from 1983 until 1985. Wikipedia*
On the C-SPAN Networks:
William P. Clark has seven videos in the C-SPAN Video Library; the first appearance was a 1983 Senate Committee. The year with the highest average number of views per program was 2006 with an average of 205 views per program.