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.

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

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

Officials from President Donald Trump's administration have said Mahmoud Khalil was detained for his purported support of Hamas, a claim his attorneys deny.