Starting on 10th February a group of policy makers and practitioners from Northern Ireland and Birmingham, UK, participated in a study tour facilitated by Dartington Social Research Unit, UK and the Prevention Research Center at Penn State University. It took in Baltimore, Harrisburg and State College. The focus was the implementation of models proven to have a beneficial impact on children's health and development such as PATHS, Good Behavior Game and Nurse Family Partnership. Some study tour participants contributed to this blog.