As speculation mounts over the shape of president-elect Obama's energy policy, Al Gore laid out a multifaceted plan to rebuild a green and clean U.S. electricity system within 10 years. In an opinion column published Sunday in the The New York Times, Gore said the federal government should fund projects to upgrade the nation's aging power grid and install renewable-energy sources. (Read the excellent report on Gore's 5-point plan, and watch clips from his talk at the WEB 2.0 summit last week here, on C-Net)