Gov. Andrew M. Cuomo (D-N.Y.), left, huddles with the Rev. Al Sharpton at the National Action Network’s convention, where several potential 2020 Democratic presidential candidates addressed attendees. (Justin Lane/Epa-Efe/Rex/Shutterstock/Justin Lane/Epa-Efe/Rex/Shutterstock)
 




Massachusetts Sen. Elizabeth Warren condemned housing laws that “targeted communities of color.” New Jersey Sen. Cory Booker focused on the injustice of climate change. California Sen. Kamala D. Harris railed against the Education Department as hostile to affirmative action.