Three officials told NBC News that Secretary of Defense Pete Hegseth shared information with his wife and brother that came from a top general's secure messages. Hegseth has denied sharing classified information on Signal. NBC News' Courtney Kube reports more from the Pentagon. Former Deputy Chief of Staff for Secretary of Defense Lloyd Austin Caroline Zier and Politico White House Correspondent Eli Stokols joins Christina Ruffini to react. For more context and news coverage of the most important stories of our day click here: msnbc.com » Subscribe to MSNBC: youtube.com/msnbc » Subscribe to MSNBC on TikTok tiktok.com/@msnbc » Subscribe to MSNBC on Instagram instagram.com/msnbc Download our new MSNBC app for the latest breaking news and daily headlines at a glance: msnbc.com/information/download-msnbc-app-n1241692 Follow MSNBC Show Blogs MaddowBlog: msnbc.com/maddowblog ReidOut Blog: msnbc.com/reid...