A new project from the National Institutes of Health (NIH) is using computer simulated training sessions to teach doctors in Minnesota how to talk to fat kids.The nearly $500,000 study using “virtual role play” to coach doctors is the latest attempt by the federal government to combat obesity.“Obesity in the United States is at historically high levels and is an important health problem,” the grant for the project states. “Interventions targeting children are a high priority because children bear the greatest lifetime health risk from overweight and obesity.”“Health professionals in primary care settings are influential in the lives of families,”...