As our nation marks Martin Luther King Jr. Day, we return to the teachings of a leader who understood that justice demands more than good intentions. The Rev. Dr. Martin Luther King Jr. once said, “I think of love as something strong, and that organizes itself into powerful, direct action.” Today, when hatred and division feel increasingly emboldened, that call to organize love is not just inspiring. It is instructive. In recent years, many have embraced what is often called “allyship.” Too often, however, it stops there. Statements replace substance. Solidarity appears online, but disappears when issues become uncomfortable or...