Mark Stephen Shields was an American political columnist, advisor, and commentator. He worked in leadership positions for many Democratic candidates' election campaigns. Wikipedia*
On the C-SPAN Networks:
Mark Shields has 65 videos in the C-SPAN Video Library; the first appearance was a 1983 Call-In. The year with the most videos was 1989 with eight videos. The year with the highest average number of views per program was 2013 with an average of 3,327 views per program. Most appearances with Brian Lamb (8), Sam Donaldson (6), Alan K. Simpson (5). Most common tags: Washington Politics, Stocks & Bonds, Presidential Campaign.
Videos: 59 c. January 1, 1988 - Present Political Analyst, PBS NewsHour, PBS