A Louisiana immigration judge ruled Friday that activist Mahmoud Khalil can be deported. Khalil, who as a Columbia University graduate student led pro-Palestinian protests there last year, was detained last month after Secretary of State Marco Rubio said he had determined that Khalil's activism was antisemitic and that allowing him to remain in the country would undermine a U.S. foreign policy goal of combatting antisemitism around the world. During a hearing at the remote Louisiana detention center where Khalil is being held, Judge Jamee Comans said she had no authority to question Rubio's determination. After the ruling, Khalil told the...