How to lose a technology cold war: Restrict visas

Last week, China’s education ministry issued a warning to students: if you’re thinking about studying in the United States, you might want to think again. Citing a rise in visa delays and refusals, officials called on students to adjust their “risk assessment” of pursuing an American education. While it might be tempting to dismiss the statement as a propaganda ploy amid a deepening trade conflict with China, the fact is that the Trump administration has taken steps that restrict Chinese students and researchers from coming to the United States, putting the…

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