national security. Additionally, Congress should consider creating a new nonimmigrant visa subcategory for doctoral-level graduate students and postdoctoral scholars coming to the United States. Student visas should be of a duration commensurate with the term of study.

Recommendation 7: The Department of State, along with other federal agencies such as the Departments of Commerce and Labor, should determine whether students and scientists here on temporary visas should be allowed to extend their stay if they are working in a scientific or technical field deemed to be in demand in the United States.