Kevin Breuninger uncovers the unfolding drama with the Signal messaging app used by U.S. officials amid sensitive military discussions, highlighted by "Signalgate." Despite President Trump's disapproval and an ongoing Pentagon investigation into officials like National Security Advisor Mike Waltz, usage of Signal persists, causing significant backlash. As Waltz moves to a UN role, questions about security protocols linger. Read more here: https://www.cnbc.com/2025/05/01/trump-waltz-signal-photo-cabinet.html #Trump #SignalApp #NationalSecurity #MilitaryControversy #WhiteHouse #Waltz #Hegseth