To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Share Embed Share URL Video File Node URL Embed Code <iframe title="MRC TV video player" width="640" height="360" src="https://www.mrctv.org/embed/1893" allowfullscreen></iframe> ABC's Diane Sawyer assumes the mortars landing inside Iraq's fortified "Green Zone" were fired by insurgents who managed to breach the perimeter and fire from inside the U.S. embassy compound!