Three moments that shaped how presidents and Congress wage war

Posted at 11:07 AM, May 25, 2017
and last updated 2017-05-25 12:07:37-04

Before David Barron was a federal judge, he was a lawyer helping President Obama wage war. He sheds light on the uneasy relationship between presidents and Congress when it comes to military might, and reflects on his own role in a controversial drone strike.