National How The Role Of The Department Of Homeland Security Has Evolved 10:31pm July 24, 2020 by Greg Myre National Security National Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2020 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered Arts Director Lee Isaac Chung shares the inspirations behind 'Twisters' Angry Houston residents still want answers after Hurricane Beryl power failure by Stella Chavez 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate