Jan. 20, 2021: Presidential History On Inauguration Day; Avalanche Survivor’s Story

As Joe Biden becomes the country’s 46th president, we look at some of the 45 who came before him. What can history tell us about the present? Then, how a backcountry snowboarder survived an avalanche. Plus, apprenticeships may help address the early childhood educator crisis in Colorado. And The Lumineers' Jeremiah Fraites on his debut solo project.