It’s the ultimate make over-- replacing traditional school cafeteria food with salad bars and whole grain bread. This kind of transformation is happening across the country. We’re going to hear about some examples here in Colorado.  In a few minutes, Ryan Warner checks back in with “The Renegade Lunch Lady.” About a year ago, chef Ann Cooper relocated from Berkeley, California to Boulder, with high hopes of serving school kids healthier food. First, we hear about a week-long culinary boot camp that dozens of school kitchen managers in the state have attended. As Colorado Public Radio’s Sarah Hughes reports, they’re learning to ditch processed foods and make meals from scratch.