Rachel Reeves, the Chancellor, has to put the brakes on government borrowing - Andy Rain/Shutterstock Sir Keir Starmer’s defence against a leadership bid by Wes Streeting does not come down to personality. In fact, some would argue that neither political skill nor electoral support is keeping him in Downing Street. However, according to his allies, backbench Labour MPs must resist ousting the Prime Minister to avoid spooking financial markets, which could inflate debt costs and trigger an economic disas ...