President Biden's positive vaccine news is the latest reason for optimism, but the CDC director is warning of "impending doom" if America relaxes too soon. David Chalian explains what that means and breaks down the explosive revelations from the previous administration's Covid doctors in a new CNN documentary. Plus, as Democrats push action, some Georgia Republicans are twisting themselves into knots over the state's new restrictive voting law. And finally, the trial of former Minneapolis police officer Derek Chauvin for the killing of George Floyd begins. To learn more about how CNN protects listener privacy, visit cnn.com/privacy