The Department of Homeland Security (DHS) has proposed extending the duration of the Visas Mantis security clearance for foreign scientists and students. The new DHS policy would allow clearances to be valid beyond the current one-year limit and possibly throughout the duration of study or academic appointment. During the past few years, academic and scientific groups have argued that stringent visa policies that have restricted the flow of foreign students and scientists to the United States will have harmful effects on the overall research enterprise. A recent Council of Graduate Schools survey found that visa applications by international students declined by 32 percent for fall 2004 compared with 2003.
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