Humanitarian disaster facilitated by US deepens division in America. From Columbia University to Harvard and Yale, a wave of protests supporting Palestine is sweeping across American college campuses. 美國助長的人道災難加深了美國社會的分裂。從哥倫比亞大學到哈佛大學和耶魯大學，支持巴勒斯坦的抗議浪潮正在席捲美國大學校園