The Washington Post is reporting that Secretary of Defense Pete Hegseth has the Signal messaging app installed on an office computer. This comes after his second controversy with the chat app where he shared information from a top general with his wife and brother. Independent Veterans of America founder and CEO and Iraq veteran Paul Rieckhoff joins Alex Witt to react to this and more. For more context and news coverage of the most important stories of our day click here: https://www.msnbc.com/