GigaOM writes, The President’s Council of Advisors on Policy and Technology wants the Obama administration to get aggressive about making more spectrum available for commercial use. It’s not only advising the government double to 1000 MHz the amount of federal spectrum being targeted for new mobile and wireless networks, but also to make a good portion of those airwaves shared. Such a policy would allow federal agencies to keep using their airwaves, divvying up access at different times and places to commercial users. It’s an ambitious proposal, but it’s one carriers aren’t going to like very much....