2021 could be one of the driest years in a millennium, and there's no relief in sight

Nearly half of the country — from the Pacific coast to the Great Plains and upper Midwest — is experiencing moderate to exceptional drought conditions. That's expected to get worse throughout the summer. As William Brangham reports, it's the western states in particular that are taking the hardest hit, and the possibilities for devastating wildfires are at an all-time high.