McClatchy Newspapers: Dreams of renewable energy riches have set off a scramble not seen since miners rushed into these surrounding hills in search of shiny nuggets. “This is like a land rush with a whole bunch of people running side by side,” said David Christensen, one of the gurus of new electricity technology at the National Renewable Energy Laboratory in the Colorado foothills. The winners, he said, will find “huge pots of gold at the end.” Kansas and Missouri leaders are joining many …