Several conference organizers have already canceled their U.S. meetings or moved them outside the U.S.

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During President Donald Trump’s first term in office, David Murakami Wood didn’t cross the U.S.–Canada border once.

“I refused to go largely in solidarity with the countries who Trump targeted for visa exclusions,” said Murakami Wood, a criminology professor at the University of Ottawa. “This time … it’s even worse. It’s not specific countries [being targeted], but we’re seeing people being arbitrarily arrested and taken off the streets, deportations, people being arrested in transit.”

He’s not particularly concerned about his own physical safety, though as a scholar of critical surveillance and security, his work may no

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