Lawrence O'Donnell, "West Wing" writer and producer, recently appeared as a commentator on MSNBC's "Scarborough County":
On February 14 he discussed Vice President Cheney's huting accident. There is a clip and a transcript available.
On February 1 he was part of a discussion on the Oscar Nominations. See clip here.
These clips reqire the newest version of Internet Explorer and a special media player.