The former health secretary's the fourth one we've had in just over three months.
Mr Kwarteng lost his job after just 38 days following a disastrous mini-budget, which resulted in economic turmoil and subsequent U-turns.
Liz Truss says she'll no longer scrap a planned rise in corporation tax from 19 to 25 percent.
Lib Dem leader and MP for Kingston and Surbiton Sir Ed Davey, thinks enough is enough.