Opinion: Trump’s attack on international students threatens tech’s workforce

Silicon Valley leaders and tech workers better track Donald Trump’s campaign to purge international students across the nation from Harvard University to UC Berkeley.

The president may come for them next.

Trump claims, with little evidence, that Harvard’s pupils from overseas contribute to “a hostile learning environment for Jewish students” and are “coordinating with the Chinese Communist Party.”

The administration broadened its assault last month as Secretary of State Marco...