Space Force is happening; ISIS in Africa; 'Documenting Hate'; and more.

This week on the program: • Introducing Katie Bo Williams, our new senior national security correspondent! • Vice President Mike Pence has a major update for us all about the Space Force; • Then (16:17) we’ll hear from Dr. Jason Warner from West Point’s Combating Terrorism Center. He’s co-authored a new report on the present and possible future of ISIS in Africa; • And we’ll end (26:14) with a discussion of extremism in America. ProPublica and Frontline correspondent A.C. Thompson tells us a bit about his new documentary out this week looking at the lessons he’s learned — and the people he’s unmasked — one year after the Unite the Right rally in Charlottesville, Virginia.