Capital Times: Billionaire hedge fund manager and green power advocate Tom Steyer is taking Gov. Scott Walker to task, accusing the Republican presidential hopeful of being a pawn for fossil fuel interests and a climate change denier. In a full page ad running in the Wisconsin State Journal Tuesday, Steyers group NextGen Climate blasts the states GOP leadership for promoting a war on science by banning work on climate change. The group calls out Walker specifically for staying silent on the issue and for...