2022 starts tomorrow, and so does the start of an election year. In a special episode, CNN Political Director David Chalian breaks down the political climate of the midterm elections and key races to watch. As Republicans try to take control of the House and the Senate, Democrats will try to hold on to their razor-thin majority. Plus, this election year will test President Joe Biden’s approval among voters and former President Donald Trump’s control over Republicans.To learn more about how CNN protects listener privacy, visit cnn.com/privacy