Foreign Nationals at Oak Ridge

More than half Oak Ridge National Laboratory's scientific and technical staff are thought to be foreign nationals. That and visiting foreign scientists complicate life for both ORNL security enforcers and for the guestworkers, themselves. Frank Munger offers a rare glimpse into the life on both sides of the security redline at one of America's most important institutions. The KNS has it. An accompanying story discusses chemist Safa-Sefat's success in overcoming ORNL hurdles for foreigners.