HOUSTON, United States  A federal court on Tuesday denied the Trump administration permission to appeal where a Columbia University student's due process hearing should take place in regards to his detainment for participating in pro-Palestinian protests on campus. Mahmoud Khalil, 30, was taken into custody on March 8 by Immigration and Customs Enforcement (ICE) officers for his involvement in the campus rallies and was initially detained without the right to retain an attorney or have a court