Liz Truss first joined the cabinet when David Cameron was prime minister, and has now doggedly pursued her ambitions all the way to the top. It is a feat of tenacity that proves she can outmanoeuvre her peers and win arguments among Tories. Running the country will demand a more varied skill set.
Given the scale of the challenges ahead, the new prime minister would benefit from a cabinet staffed with experienced ministers and proven administrators. Ms Truss appears instead to have recruited on the basis of loyalty and narrow ideology.