The Washington state blast was the largest volcanic event in U.S. history, killing 57 and triggering a debris avalanche that destroyed hundreds of square miles of forest. https://cbsn.ws/2yeSAUU | CBS Sunday Morning

The co-creator of the hit TV series, and its prequel, "1883," has been called one of the most important Western writers in decades – a horseman who writes about a world he knows. He and star Kevin Costner talk about the roots of "Yellowstone." https://cbsn.ws/3MDRJ09 | CBS Sunday Morning