The President’s focus has helped bring the issue of violent extremism (VE) to the fore, and it also highlights the complex, systemic, multi-faceted root causes of the allure of extremism. Although it is growing, the body of evidence regarding what works and what does not in countering violent extremism (CVE) programming in developing countries remains limited. Here, it may be possible to draw some insights from other contexts. In particular, the experience of Latin America in addressing the scourge of gang….