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A Trump-era policy that shut out top Chinese students could be hurting America more than Beijing
By Julia Hollingsworth, Yong Xiong and David Culver, CNN When Dennis Hu came home to China for the 2020 Lunar New Year, he thought it would be a brief visit. He planned to enjoy the festivities with his family, renew his United States visa, and then head back to Boston to continue the fourth year
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