Do Chinese Tech Firms Pose U.S. Security Threat?

http://www.npr.org/2012/10/12/162736130/do-chinese-tech-firms-pose-u-s-security-threat

http://www.npr.org/player/v2/mediaPlayer.html?action=1&t=1&islist=false&id=162736130&m=162815141

Over the past decade, Chinese companies have become major players in the global telecommunications market. This week the House Intelligence Committee issued a report that could interrupt that growth. The committee warned American companies not to do business with two of China's main telecom manufacturers, saying they posed a security threat.