Three weeks into a Department of Homeland Security shutdown, Kristi Noem has been ousted from her role as secretary and faces a potential perjury investigation. NewsNation’s Tom Dempsey has the details. #DHS #Noem #Trump Start your day with "Morning in America," NewsNation's live three-hour national morning newscast hosted by Markie Martin. Weekdays starting at 6a/5C. #MorningInAmerica NewsNation is your source for fact-based, unbiased news for all Americans. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij