Carl Malamud: Internet Talk Radio, flame of the Internet. Malamud: This is Geek of the Week, and we’re talking to Stephen Casner, who’s a project leader for multimedia conferencing at USC’s Information Sciences Institute, ISI. Welcome to Geek of the Week, Steve. Steve Casner: Welcome, Carl. Malamud: You’re one of the architects of the multicast backbone, and …read the full transcript.