What challenges does McMaster face as Trump’s national security adviser?

Feb 21, 2017
The lieutenant general really has three new jobs. Security consultant Erin Simpson explains.
Army Lt. Gen. H.R. McMaster, above with President Donald Trump, has an impressive reputation, but he doesn't have a lot of time in Washington, says consultant Erin Simpson.
NICHOLAS KAMM/AFP/Getty Images

😱 Halfpriced hoodies! 😱 

This weekend only, when you donate $90 or $8/month, you can snag our cozy new Marketplace zipup hoodie. Don’t wait– this offer ends Sunday at midnight.