Michelle Obama is today launching a campaign to tackle childhood obesity in America – while admitting that she loves unhealthy food. The First Lady has urged children to become more active, but confesses to eating burgers, fries, ice-cream and cake. The Let’s Move initiative, outlined by President Barack Obama’s wife today, aims to teach youngsters how to increase their daily physical exercise. It also pushes for schools to offer more healthy meals and calls on food companies to label nutritional information more accurately. Some of her initiatives, such as tax breaks for grocery stores to move into poorly served communities,...