David Samuel Kestenbaum is an American radio correspondent for National Public Radio. He generally covers science, energy, and economic issues. Wikipedia*
On the C-SPAN Networks:
David Kestenbaum has two videos in the C-SPAN Video Library; the first appearance was a 2010 Forum as a Correspondent. The year with the highest average number of views per program was 2014 with an average of 462 views per program.