Judge says Trump cannot detain Columbia protester Khalil, but delays release order

  A federal judge ruled on Wednesday that the Trump administration cannot use U.S. foreign policy interests to justify its detention of Columbia University student and pro-Palestinian activist Mahmoud Khalil, but said his order would not take effect until Friday. A federal judge ruled on Wednesday that the Trump administration cannot use U.S. foreign policy interests to justify its detention of Columbia University student and pro-Palestinian activist Mahmoud Khalil, but said his order would not take effect until Friday.