Afternoon Briefing: Northwestern’s postdoctoral researchers vote to unionize

Good afternoon, Chicago.

Mayor Brandon Johnson decried President Donald Trump as inhumane following reports of a major immigration sweep starting imminently in Chicago. Speaking at a North Side town hall, the mayor again warned it would be “unconstitutional” and “illegal” for the federal government to send troops to patrol the city’s streets and vowed to uphold Chicago’s long-standing sanctuary city policy for immigrants.

“The city of Chicago is emphatically clear that we do not want our streets occupied by federal troops,” Johnson said. “Unless there’s a warrant, these federal agents do not have the right and the authority to bullguard their way through our institutions, and we’re going to do everything in our power to make sure that we stand up to tyranny.”

Here’s what else is happening today. And remember, for the latest breaking news in Chicago, visit chicagotribune.com/latest-headlines and sign up to get our alerts on all your devices.

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Ekta Bhattacharym speaks as members of the Northwestern University Postdoc Union-United Electrical, Radio and Machine Workers of America rally outside the university’s administrative offices on July 8, 2025, in Evanston. (Vincent D. Johnson/for the Chicago Tribune)

Northwestern’s postdoctoral researchers vote to unionize

Hundreds of postdoctoral scholars and research associates at Northwestern University voted to unionize this week, nearly two months after petitioning school officials. Read more here.

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Fans watch Oasis perform at Soldier Field on Aug. 28, 2025, in Chicago. Chicago is 1 of 3 cities in the United States for the British band’s world tour and 1 of just 5 in North America. (Armando L. Sanchez/Chicago Tribune)

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https://www.chicagotribune.com/2025/08/29/afternoon-briefing-northwesterns-postdoctoral-researchers-vote-to-unionize/