"Washington Post" defense and space reporter Christian Davenport joins "Doorstep" co-hosts Nick Gvosdev and Tatiana Serafin to talk about commercialization and democratization in space. How will billionaires Elon Musk, Jeff Bezos, and Richard Branson make space a part of day-to-day life? What are governments like China and India prepared to do to make sure they stay in the space game?