Politics Waterboarding: The Video Matthew Yglesias Oct 31, 2007 Kaj Larsen gets waterboarded on video by former SERE instructors for the edification of the American public. Via Garance Franke-Ruta. We want to hear what you think about this article. Submit a letter to the editor or write to firstname.lastname@example.org. Matthew Yglesias is a former writer and editor at The Atlantic.