The Trump administration escalated its conflict with Harvard University by revoking its ability to enroll international students, a move met with a temporary judicial block. This ban threatens not only Harvard, which has a significant international student population, but also the broader economic and entrepreneurial landscape of the U.S., where immigrants have been crucial to growth and innovation. The article calls for a unified response from universities and businesses to combat this detrimental policy, warning of its potential implications for American society and its values.