Ten years apart. In 2014, Columbia issued a solemn directive policing party costumes. https://www.cc-seas.columbia.edu/dean/news In 2024, it wrestles with the question of whether calls to eradicate the world's only Jewish state might fairly be considered anti-Jewish. https://www.nytimes.com/2024/04/29/nyregion/college-protests-columbia-campus.html
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