The Trump administration is trying to deport pro-Palestinian students who are legally in the United States, citing national security. First Amendment experts say that violates free speech protections. Anemona Hartocollis, a national reporter for The New York Times covering higher education, looks at the students’ legal cases and how the Trump administration’s actions could change the culture of American universities. Video by Anemona Hartocollis, Melanie Bencosme, Nikolay Nikolov, James Surdam