This week the Obama Administration rolls out a new approach toward partnering with Mexico to address shared security threats: a new security plan to target drug cartel violence and visits by Secretary of State Hillary Clinton, Attorney General Eric Holder, and Secretary of Homeland Security Janet Napolitano. The plan is a welcome first step not just for the challenges on the Mexican border but toward an approach to security that gets out of traditional “foreign” and “domestic” policy boxes for a comprehensive approach.