Sue Learner looks at whether the planned changes go far enough to make a real difference to the future health of England's children and young people. The government has vowed to make England the first nation to reverse the rising tide of obesity, including among children. Unveiled last week, Healthy Weight, Healthy Lives: A cross government strategy for England is the latest weapon in the fight against flab. Nearly a quarter of men and women in England are obese, as are almost one-fifth of children aged two...