(JTA) - Dozens of students unfurled at the main commencement ceremony of the University of Michigan. A single student staged a provocative demonstration during a ceremony at Northeastern University, raising hands stained with red paint as a symbol of violence in Gaza. And a Palestinian student speaker used her speech to lambaste at the University of Toledo. Such were the disruptions during the first major weekend of graduation ceremonies to take place amid a sweeping across the United States. In each case, graduation ceremonies went on as planned. But the handful of dramatic but brief interruptions that took place over ...