What's the point of political "diversity"?

Following the ignominious resignation of Boris Johnson, the Tories are looking for a new leader — and the UK a new Prime Minister. The cast of contenders is the most diverse we’ve seen, but that hasn’t yielded a notably different political vision. Why? ANU political scientist Marija Taflaga joins Waleed Aly and Scott Stephens to discuss the significance of and constraints on diversity in political representation.