Minouche Shafik, the Columbia University president whose campus became an epicenter of unrest this year following Hamas’s October 7 attack on Israel, has resigned weeks before the start of the school year. Shafik’s resignation, tendered Wednesday, comes after widespread, sustained criticism of how she handled pro-Palestinian protests that convulsed the Ivy League university since October 7. “This period has taken a considerable toll on my family, as it has for others in our community,”...