Tuesday on the News Hour, a judge again presses the Trump administration for answers on why it hasn't tried to bring back a man wrongfully deported to El Salvador. The federal government freezes billions in grants to Harvard after it refuses to give in to President Trump's demands. Plus, China cuts off exports of rare earth minerals used in critical technology as the global trade war escalates. PBS News is supported by - https://www.pbs.org/newshour/about/funders