On today’s Colorado Edition: The state has announced it will hold five $1 million drawings for Coloradans who've been vaccinated against COVID-19. The idea is to encourage more people to get the shots in a timely manner – but do vaccine incentives actually work? We’ll hear more about what the research shows. Then, we’ll dig into the latest population estimates in Northern Colorado to see what the trends reveal. And we explore a little-known tool that can predict how lawmakers might vote on a bill, even before it comes up for debate.