On the C-SPAN Networks:
Mark Knoller is a Correspondent for the White House of the CBS News with 49 videos in the C-SPAN Video Library; the first appearance was a 1998 Call-In. The year with the most videos was 2010 with 26 videos. The year with the highest average number of views per program was 2009 with an average of 2,191 views per program. Most appearances with Robert Gibbs (39), Jake Tapper (34), Chip Reid (28). Most common tags: Washington Politics, Health Care, Afghanistan.