Stephanie Leutert, the Mexico Security Initiative Fellow at the University of Texas at Austin and the author of Lawfare's "Beyond the Border" series, joined Benjamin Wittes on this week's podcast to talk about the epidemic of violence plaguing Mexico and Central America. Despite the brutality, extremity, and remarkable scale of the violence going on immediately to our south, those of us in the United States who work and think on national security issues rarely consider it to be relevant to national security. Why is that? How bad is the violence in these countries? What's causing the crisis, and the waves of migration it generates, in the first place? And what, if anything, can be done to stop it?