🔥 THIS IS UNBELIEVABLE! The Department of Homeland Security is finally taking ACTION against the left's ludicrous anti-American radicals hiding behind the walls of elite institutions like Columbia University! Mahmoud Khalil's arrest shows that we are at a critical juncture in our fight against domestic terrorism and anti-Semitism. HOW DARE these LIBS shield jihadist sympathizers? Remember when we let our guards down after 9/11? We won’t make that mistake again! 🇺🇸💪 Let’s keep our universities SAFE and clear of these divisive influences!