Brandan Buck, a research fellow at the Cato Institute and expert on U.S.-Mexico relations, discusses the perilous notion of a U.S. military invasion of Mexico to combat fentanyl trafficking. He argues that such action would exacerbate violence and complicate the socio-political landscape. Buck highlights the economic and diplomatic repercussions that could strain U.S.-Mexico relations and even push Mexico closer to China. He emphasizes that a military solution lacks practicality without local cooperation and could lead to further chaos.