Open this photo in gallery: The campus of Harvard University in Cambridge, Mass. on Jan. 2, the day President Claudine Gay resigned.Sophie Park/The New York Times News Service In the immediate aftermath of Hamas’s Oct. 7 attacks, 33 student groups at Harvard touched off a campus firestorm with a statement saying Israel was solely to blame for the massacres. Earlier this week, the university’s president resigned amid a mounting political pressure campaign. In between, the U.S.’s oldest university found itself rent by a battle stretching from the Yard to the halls of Congress, involving accusations of racism, antisemitism and plagiarism...