A federal appeals court is giving former Columbia University graduate student Mahmoud Khalil more time to fight the Trump administration's efforts to deport him. Khalil, a lawful permanent resident of the U.S., was detained by immigration authorities last year because of his participation in pro-Palestinian demonstrations at Columbia in the spring of 2024. The U.S. government argued at the time that Khalil's presence in the U.S. was harmful to the country's foreign policy interests. Khalil