Former Vice President Mike Pence is officially running for president as a Republican, as two more are expected to join the race this week. CNN Political Director David Chalian breaks down what Pence’s entry does for the race, and the highlights from Nikki Haley’s town hall with CNN. Plus, a 2024 hopeful made clear today he won’t be running.To learn more about how CNN protects listener privacy, visit cnn.com/privacy