Former Rep. Jim Bridenstine (R-Okla.), known in Congress as a champion for building bridges with the commercial space industry, takes over as NASA’s 13th administrator at a critical time, with the U.S. is poised to resume human spaceflight.  When it does so, it will travel on vehicles not of its own design, but with commercial spaceflight services to be provided by SpaceX and Boeing under contracts worth $2.6 billion and $4.2 billion, respectively. Both companies plan ...