Just one day before the Iowa caucuses, NBC News’ Steve Kornacki joins a special edition of Meet the Press to break down the final NBC News/Des Moines Register/Mediacom Iowa poll. Iowa Sen. Joni Ernst (R) exclusively joins Meet the Press to discuss the state of the race. Gov. Tim Walz (D-Minn.) speaks with Kristen Welker about voters’ concerns about President Biden’s age. NBC News Chief Political Analyst Chuck Todd joins to discuss what he will watch on caucus night. State Rep. Ross Wilburn (D-Iowa), Garrett Haake, Brianne Pfannenstiel and Marc Short join the Meet the Press roundtable.