Katherine Boyle says SpaceX’s legacy will be the thousands of companies that spawn from the school of Elon Musk: "What we've learned from the SpaceX story is that these kinds of companies can be built." "It is one of the most important companies in America. It's beloved by Americans across the country for what it's been able to achieve." "The legacy of SpaceX is going to be hundreds, if not thousands of companies—people who've gone to the school of Elon Musk, they've learned manufacturing…