March 10: Winter storms sweep across the U.S. Defective train wheel warning. DeSantis and Trump headed to Iowa. New details on Mitch McConnell’s condition.

<p>Winter storms continue through the Midwest as California braces for more rain and snow. Also, new details are released tied to the series of Norfolk Southern train derailments. Plus, Florida Governor Ron DeSantis headed to key state, Iowa, as speculation over his 2024 campaign ramps up. And, the latest on Senate Minority leader Mitch McConnell, as his office reveals he is being treated for a concussion after his fall.</p>