Columbia protester Mahmoud Khalil says he has no regrets

  U.S. President Donald Trump’s fight with elite American universities was only a few days old when federal immigration agents arrested the Palestinian student activist Mahmoud Khalil at his Columbia University apartment building in New York in March. U.S. President Donald Trump’s fight with elite American universities was only a few days old when federal immigration agents arrested the Palestinian student activist Mahmoud Khalil at his Columbia University apartment building in New York in March.