The subcommittee will hear testimony from John Brown, the assistant director of the FBI's counterintelligence division; Rebecca Keiser, the head of the office of science and engineering at the National Science Foundation; Michael Lauer, the deputy director of extramural research at the National Institutes of Health; Christopher Fall, the director of the office of science at the Department of Energy; and Edward Ramotowski, the deputy assistant secretary of state for visa services. [read post]