Students at Columbia University have been instructed that classes have shifted to virtual or hybrid amid ongoing safety concerns stemming from anti-Israel protests. The new guidelines said all courses on the Morningside main campus have moved to hybrid learning &;quot;until the end of each school’s Spring 2024 semester.&;quot; &;quot;Safety is our highest priority as we strive to support our students’ learning and all the required academic operations‚&;quot; the school's Provost Angela Olinto wrote in...