Diversity at the top—what can Labour learn from the Tories? 

Penny Mordaunt, Rishi Sunak and Liz Truss are competing for the Tory leadership. Credit: Alamy

And then there were three. We know for sure that the Conservative Party will not be making a white man prime minister. Tom Tugendhat, who bowed out of the Tory leadership fight on Monday night, was the last white man standing—the last representative of a demographic from which 13 out of the last 15 PMs, across parties, have been drawn. Kemi Badenoch was also knocked out this afternoon, after a creditable performance.

The remaining candidates—Rishi Sunak, Penny Mordaunt, Liz Truss—are battling to be the final two names put to party members. If the Tories don’t choose the first…