Fewer sugary drinks, and less screen time. Those are just some of the new rules designed to improve the health of children at thousands of private child care centers in Colorado. Then, neighborhoods around the National Western Stock Show complex -- in North Denver-- haven't seen any major development in 30 years. It's something the city's mayor pledged to change. And, we ask Colorado's new state historian, Professor Patricia Nelson Limerick, what she thinks is least understood about Colorado's history.