F.B.I. bars some China scholars from visiting U.S. over spying fears

April 18, 2019 | The New York Times

Just as he had on previous trips, Zhu Feng bolted down his lunch at a Los Angeles airport before sprinting to catch his Air China flight back to Beijing.

Suddenly, two F.B.I. agents blocked the Chinese scholar at the boarding gate and ordered him to hand over his passport. They flipped to the well-used 10-year visa to the United States and crossed out the page with a black pen.

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