The US academic partnership with China, under strain for years, faces its biggest threat

China-US-Student-Visas - (Copyright 2018 The Associated Press. All rights reserved.)

Frayed by tariff wars and political battles, the academic ties between the U.S. and China are now facing their greatest threat yet as the Trump administration promises to revoke visas for an unknown number of Chinese students and tighten future visa screening.

In a brief statement Wednesday, Secretary of State Marco Rubio said the U.S. will “aggressively” revoke visas for Chinese students, including those with ties to the Chinese Community Party or studying “critical fields.”