From the commentary, "A green card is not a blank check. It's an audition on the path to U.S. citizenship. Mahmoud Khalil appears to have failed his." ...

Rubio supports ongoing visa revocations, citing national security, amid debates over rights of non-citizens like Mahmoud ...

John Oliver picks apart the Trump administration's arrest of U.S. citizen Mahmoud Khalil on the latest "Last Week Tonight" ...