Tesco has it tough enough already without a no-deal Brexit

In a fiercely competitive market, the last thing the supermarket chain needs is lettuces left to wilt at a hard border with the EUWhen Tesco reports first-half results on Wednesday there will be less than a month to go until the Brexit deadline on 31 October. The law says the government must seek an extension if no deal is agreed by 19 October but Boris Johnson and his allies are trying to find ways around this.Tesco’s results will be an opportune occasion to ask Britain’s biggest gr