Delivering services, sharing data and engaging with citizens are some of the ways agencies are saving money with social media. Four government social media leaders talked about what they’re doing at the AFCEA Bethesda monthly breakfast this morning. The panelists were Amanda Eamich Nguyen of the Agriculture Department, Scott Horvath of U.S. Geological Survey, Ryan Koch of the State Department and Tammi Marcoullier of the General Services Administration.