The astonishing cost of Pret A Manger’s basic egg sandwich - available from its store yards from the White House - might just explain why Kamala Harris could lose the US election. Pret’s egg salad and arugula sandwich costs more than $10 at her local branch, while a salmon, avocado and quinoa salad is just 20 cents shy of $20. In the UK, the equivalent sandwiches and salads are less than half the price. Pret, which is expanding rapidly across the US with 42 branches in New York alone, seven in Washington DC and its first stores now opened on...
