Ahead of the official unveiling of the FCC's national broadband plan tomorrow, FCC Chairman Julius Genachowski is sounding optimistic notes about the agency's plans to have broadcasters voluntarily give up their spectrum for mobile broadband use in exchange for auction proceeds. In an interview with Reuters he said "a number of broadcasters" are open to the idea, though he declined to name them or say how much of the proceeds broadcasters would get. Meanwhile, the commission took the wraps off of the executive summary of the plan, which includes the long-term goal that the United States "should lead the world in mobile innovation, with the fastest and most extensive wireless networks of any nation." Article