Glenn Clark is the former head coach of the Toronto Rock of the National Lacrosse League, and also a former NLL player. Clark played in the NLL from 1998-2006 for both the Rock and the Philadelphia Wings. Wikipedia*
On the C-SPAN Networks:
Glenn Clark has two videos in the C-SPAN Video Library; the first appearance was a 2008 Meeting. Most appearances with James Bopp Jr. (2), Mary Summa (2), Richard Burr (2). Most common tag: Republican National Convention.