The world’s richest man, Elon Musk, has grown his business empire with the help of massive federal contracts for his companies, particularly SpaceX. He’s also on track to be the largest donor to the Republican party in the midterms. The Atlantic Staff Writer Josh Tyrangiel joins Antonia Hylton to share the ultimate aims of Elon Musk and billionaire Jeff Bezos in the race to control space and political power.