WSJ’s Shelby Holliday breaks down the training, equipment and operations of the Marine Corps’ Expeditionary Units as several get deployed to the Middle East amid a war with Iran. Photo: Lance Cpl.

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Luke Vargas: Here is your morning brief for Monday, March 30th. I'm Luke Vargas ...

DENVER — Grammy Award-winning bluegrass musician Billy Strings has a special announcement for Colorado. Strings and his band announced new fall tour dates, including two performances in Denver.