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/67502" allowfullscreen></iframe> U.S. Defense Secretary Robert Gates predicted "a very tough summer" of growing violence as U.S. forces push deeper into the southern provinces. Jon Decker reports.
