I teach at a university because I believe in open inquiry. American higher education works best when students challenge ideas, when faculty follow evidence and when research moves without political fear. That openness is a national strength and a vulnerability. Foreign donations to U.S. universities are not automatically dangerous. Our campuses are enriched by international students and global partnerships. Lawful philanthropy is a benefit. But a foreign gift becomes dangerous when it comes with hidden conditions that give the donor leverage over academic priorities or when administrators care more about money than about protecting the institution. That danger is no...