Beneath rolling storm clouds and a spattering of spring rain, about two dozen people holding blue and white signs march in front of Harvard University’s Science Center. Circling around a young woman holding a megaphone, their chants ricochet off stately brick buildings dotting the campus. The woman in the middle shouts: “What’s outrageous?” “Harvard’s wages!” the crowd replies. ... The strike comes at a tenuous time for Harvard, which has endured the glare of the national spotlight as President Donald Trump assails the university with the full force of the U.S. government. Harvard has faced government lawsuits, billions of dollars...