Rich countries have a variety of reasons to give money to poorer countries. In this episode of Policy 360, Sarah Bermeo discusses what the U.S. foreign aid policy strategy is today, how it has changed over the years, and what that means for peace and security.  Sarah Blodgett Bermeo is an associate professor at the Sanford School of Public Policy and author of the book Targeted Development: Industrialized Country Strategy in a Globalizing World.