Trump Baghdadi blurting hurts US operations and national security

06:39

Courtney Kube, NBC News national security and military correspondent, talks with Rachel Maddow about how Donald Trump's poor impulse control and fondness for self-aggrandizement led him not only to make false claims about the raid that killed Abu Bakr al-Baghdadi, but to reveal classified and tactical details that hurt future operations and U.S. national security.