On the C-SPAN Networks:
John Donvan is a Correspondent for "Nightline" in the ABC Television with eight videos in the C-SPAN Video Library; the first appearance was a 1997 Call-In as a Correspondent for White House in the ABC News. The year with the most videos was 2003 with two videos. The year with the highest average number of views per program was 2016 with an average of 980 views per program. Most common tag: Journalism.