The United States of America is a republic divided. The Trump presidency has exposed fissures that run along lines of race, gender, education, and culture. In next month’s mid-term elections the fight for political power will be between the two traditional parties, Republican and Democrat, but perhaps a different sort of activism is needed to deliver real change? HARDtalk’s Stephen Sackur speaks to Kimberlé Crenshaw - a professor of law, a social activist and influential advocate of the idea of intersectionality. Is it the group, not the individual that matters most in today’s America?Image: Kimberlé Crenshaw (Credit: Getty Images)