America became home to the world’s first trillionaire last month when Elon Musk’s SpaceX went public . Musk earned his success, although he shares some measure of it with his adopted home. There’s a reason why he was able to establish the world’s largest satellite internet provider in America — a company that developed and perfected reusable booster-rocket technology and dominates the commercial spaceflight landscape — and not in Russia, China or, most inconceivably, Europe. If Musk owes