Times (UK): Seventy years after wartime Britain was told to dig for victory, thousands of plots are once again to be turned into allotments to promote national self-sufficiency. In a new project, masterminded by the National Trust, some of Britain’s biggest landowners have been enlisted to give up spare land for families to grow their own fruit and veg. This time, however, the enemies are climate change and the credit crunch rather than German U-boats. The British “grow your own’ campaign …