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At the same time America has become a less attractive destination. Funding cuts and visa uncertainty have unsettled would-be applicants, as has increasing suspicion of their loyalties. Last year Purdue University rescinded offers to more than 100 graduate students, most of them Chinese, after being asked by lawmakers to document researchers’ ties to institutions in China. At American AI meetings some Chinese researchers feel the need to clarify they are not corporate spies. More are therefore h