A 90-minute training session on unconscious bias is not enough Photo: Thomas Barwick/DigitalVision/Getty Images The current state of affairs in the U.S. has brought attention to the killing, mistreatment, and mischaracterization of Black Americans in society. Normally, diversity and inclusion (D&I) advocates would consider it a win to have so many leaders of all backgrounds leaning in to a critical and overdue conversation around the issues plaguing Black people.