The Perot Museum of Nature and Science opened its doors in downtown Dallas a year ago. Since that day, 1.3 million people have wandered among the dinosaurs, wobbled on the earthquake simulator and put their hands through a tornado. And at the end of this month, the museum’s CEO, Nicole Small is moving on to a new job, as president of the Lyda Hill Foundation. She stopped by our studio for a Friday conversation, which aired Dec. 6.