The moon belongs to everyone The best things in life are free, The stars belong to everyone They gleam there for you and me. --From the 1927 musical Good News Star-gazing may be free, but the Human Space Flight Plans Committee, a panel of luminaries and experts appointed by President Obama to assess the future of America's manned space efforts, has found that space exploration is not. The gist of the committee's imminent report: Our current levels of expenditure will not support a return to the moon, a journey to Mars, or much beyond keeping the space station operating. This...