In 2017, reports of hate crimes in the United States increased for the third consecutive year, according to the FBI. In addition to physical acts, such actions and other messages of racism, intolerance and extremism potentially impact large numbers of people online. In this Forum, experts tackled the painful and distressing spread of hate and racism. What social, political and psychological forces drive prejudice? How do modern media and the Internet enable and amplify hateful and racist messages? What are the impacts on the health and cohesion of society — and what can be done? This Forum event was presented jointly with PRI’s The World & WGBH on February 13, 2019. Watch the entire series: https://theforum.sph.harvard.edu/