People have long sought forgiveness for their transgressions. In days past, they may have turned to penance, confession or even self-flagellation. Today, white women shell out $2,500 to be told how racist they are. That’s the business model of Race2Dinner, an organization co-founded by Regina Jackson and Siara Rao in 2019. One white woman volunteers to host a dinner party at her home, and eight to 10 others join for a two-hour session with the founders — one who is black, the other Indian American — to discuss their role in perpetuating white supremacy. Their dinners are for you if...