The Trump administration delivered an ultimatum to leaders of Columbia University: Make a series of major changes or lose out on billions in federal aid.

U.S. Secretary of Homeland Security Kristi Noem said when you advocate for violence and terrorism, that privilege should be revoked, and you should not be in this country.

The Trump administration has delivered an extraordinary ultimatum to Columbia University, threatening to permanently end federal funding to the school unless it cedes control of an international studi