Robert Livingston is a social psychologist at the Harvard Kennedy School, he studies the science underlying implicit bias and racism. Robert joins the Armchair Expert to discuss the science behind racism, how to synthesize and assemble it into something people can digest, and the ways to make profound and sustainable change around it. Robert explains his P.R.E.S.S. model, how empathy is the most important part of it, and the difference between equality and equity.