Waltz's issues within Trump WH predate Signalgate scandal: Report

President Donald Trump said Thursday that he would nominate outgoing national security adviser Mike Waltz to be the U.S. ambassador to the United Nations. Waltz, a former congressman from Florida, has been on shaky ground with Trump since March after he inadvertently added a journalist to a private chat on the messaging app Signal with other top national security officials to discuss military strikes in Yemen. For more context and news coverage of the most important stories of our day click here: https://www.msnbc.com/ » Subscribe to MSNBC: https://www.youtube.com/msnbc » Subscribe to MSNBC on TikTok https://www.tiktok.com/@msnbc » Subscribe to MSNBC on Instagram https://www.instagram.com/msnbc Download our new MSNBC app for the latest breaking news and daily headlines at a glance: https://www.msnbc.com/information/download-msnbc-app-n1241692 Follow MSNBC Show Blogs MaddowBlog: https://www.msnbc.com/maddowblog MSNBC delivers breaking news, in-depth analysis of political headlines, commentary and informed perspectives. Find video clips and segments from The Rachel Maddow Show, Inside with Jen Psaki, Morning Joe, The Beat, Deadline: White House, All In, The Last Word, The 11th Hour, and more. Connect with MSNBC Online Visit msnbc.com: https://www.msnbc.com/ Subscribe to the MSNBC Daily Newsletter: https://link.msnbc.com/join/5ck/msnbc-daily-signup #Trump #MarcoRubio #MikeWaltz