Today's Highlights: Waltz Steps Down as National Security Adviser

Mike Waltz is stepping down from his position as the national security adviser. He has been chosen to represent the United States as the ambassador to the United Nations. For the interim, Marco Rubio is set to fill his role.

In a separate development, a large-scale crackdown is underway in Florida, where authorities have detained over 1,000 individuals suspected of being in the country without legal authorization.

These are the major stories catching attention in today's briefing.