Facebook chief Mark Zuckerberg choked up while speaking about an illegal immigrant “DREAMer” during his Harvard commencement speech and declared that the fight against the forces of nationalism “is the struggle of our time.” snip He then said, though, that the struggle of our time will be between “the forces of freedom, openness and global community against the forces of authoritarianism, isolationism and nationalism.” “Forces for the flow of knowledge, trade and immigration against those who would slow them down,” he continued. “This is not a battle of nations, it’s a battle of ideas.” Zuckerberg then choked up as he...