Gaby Hinsliff: Liz Truss could do more damage than Boris Johnson ever did 

The-soon-to-be British prime minister takes an unsentimental, mathematical approach to political decisions yet paradoxically can be astonishingly flexible in swiftly abandoning positions, like on Brexit, that no longer serve her

Liz Truss during a hustings event in Cheltenham, as part of the campaign to be leader of the Conservative Party and the next prime minister. Picture date: Thursday August 11, 2022. PA Photo. See PA story POLITICS Tories. Photo credit should read: Ben Birchall/PA Wire

Liz Truss loves maths. She loves it so much that she used to fire mental arithmetic questions at civil servants during meetings, and once told an audience of female high-flyers that her best advice for their ambitious daughters was to study the subject. 

She loves maths so much, indeed, that she approaches political decisions like an equation to be solved.