Elon Musk left South Africa aged 18 to seek his fortune in North America. Thirty-five years and $468 billion in net-worth later, South African President Cyril Ramaphosa has come knocking for investments from Musk’s array of companies.The two share a country of birth, but that’s not all. Musk has crossed into the political sphere as a leading adviser to President-elect Donald Trump, and he wants something from Ramaphosa: dilution of a local Black ownership requirement for his Starlink satellite n...