For perspective on President-elect Trump's pick of Pete Hegseth to be Secretary of Defense, Nick Schifrin spoke with James McPherson. He served as under secretary of the Army and as the Army's general council during the first Trump administration. He also had a 25-year career in the Navy and served as that service's top lawyer in uniform. PBS News is supported by - https://www.pbs.org/newshour/about/funders