As the clock winds down on the Trump presidency, the national guard locks down the nation's Capital ahead of Biden's inauguration. David Chalian explores the unprecedented nature of a militarized inauguration, plus the fact that Biden will have no confirmed cabinet members when he takes office. Lastly, a look a President Trump's final approval rating as he leaves office in our new CNN poll. To learn more about how CNN protects listener privacy, visit cnn.com/privacy