At least 3 national security officials were fired by the Trump administration after far-right conspiracy theorist Laura Loomer visited the White House for a discussion with President Trump. Former Deputy Chief of Staff to Secretary of Defense Gen. Lloyd Austin, Caroline Zier, discusses the visit and how the dismissal of these officials could hurt national security in the cyber sector. For more context and news coverage of the most important stories of our day click here: https://www.msnbc.com/ »