The idea of racial harmony is deeply ingrained in Singapore's national identity. The national pledge recited daily by school children states, "regardless of race, language or religion" - yet discussing racial integration remains a touchy subject. Dr. Matthew Matthews is Senior Research Fellow and Head of the Social Lab at the Institute of Policy Studies, Lee Kuan Yew School of Public Policy where, among other things, he conducts research in race, religion, immigrant integration, family aging, and poverty.