9 AM ET: Artemis launch postponed, Warren vs Powell, pot lights up & more

We begin with the Artemis 1 launch being postponed this morning after an engine problem was discovered. The mayor of Jackson, Mississippi is warning residents to get out as the city braces for flooding from record setting rainfall. Senator Elizabeth Warren is worried the Federal Reserve is pushing to country into recession. A poll shows more Americans are lighting a joint than a traditional tobacco cigarette. And, the last person of an uncontacted tribe has died.To learn more about how CNN protects listener privacy, visit cnn.com/privacy