Guardian: A food crisis is highly likely in the UK, with price and availability becoming issues that swing the outcome of future elections, according to a report from the thinktank Chatham House. The UK’s food system is unable to cope with rapid changes in supply driven by climate change, rising energy prices and population growth, the report says. Consumers are likely to have to accept a shift from individual preferences to a system in which government and industry have to ensure the food that …