Columbia switches to hybrid learning amid protests over Israel’s war in Gaza

FILE – Police in riot gear stand guard as protesters chant slogans outside the campus of Columbia University, Thursday, April 18, 2024, in New York. American colleges and universities are preparing for end-of-year ceremonies with a unique challenge: providing security for graduates while respecting the freedom of expression of students involved in protests over the war between Israel and Hamas. (AP Photo/Mary Altaffer, File)