As the United States undergoes major demographical, cultural, and generational change, the old forces of racism and exclusion are resurgent. Hate crimes are on the rise nationwide, according to the FBI, and hate speech towards Muslims and immigrants is increasing. At the same time, systemic racism is being made visible by a new generation of activists, creating an urgent opportunity for action. But this moment of opportunity has to be matched with evidence and experience. What works best in promoting greater inclusion in our cities and communities?