Photo illustration, sources: Hans Neleman, Robert Brook/Science Photo Library, Gualtiero Boffi/EyeEm via Getty Images

The U.S. Crackdown on Chinese American Researchers Endangers the Future of Science

Ethnically Chinese scientists are fighting a long history of U.S. persecution

Shortly after dawn on May 21, 2015, FBI agents came to physicist Xiaoxing Xi’s front door with guns drawn and a battering ram for backup. They arrested him on charges of wire fraud and released him…