The Cabinet Office's Food Matters: Towards a Strategy for the 21st Century report said the government's role in improving children's diets has limits. "Improving dietary health is, in large part, a challenge of changing behaviours," said the report. "For the most part, the government has an informing and influencing role, rather than intervening directly in the food market." But the conclusion provoked criticism from food campaign group Sustain. Kath Dalmeny, its policy director, said: "Gordon Brown appears to...