The role of law : agencies, legislators, courts, and the constitution -- The role of epidemiology and medicine : diagnosis, prevention, control, and evaluation -- The role of economics : theories, modeling, and evaluation -- The role of politics : players, processes, and power -- The role of ethics : historical, contemporary, and future perspectives -- HIV criminalization -- Clean water and mosquito control -- HPV vaccination -- Schip and children with special healthcare needs (CSHCN) -- Overweight and obesity -- Breast-cancer screening -- Medical transportation? : local research focus -- Medical transportation? : local practice focus -- Taxes, politics, and public health policy? : a look back at the 2008 presidential campaign -- Supplemental nutrition assistance program and modifying behavior change -- Medical readmissions and the Affordable Care Act -- Tobacco control and cessation programs -- Emergency preparedness and infectious diseases -- Primer on research policy brief -- Primer on writing effective letters to an editor.