Washington Post: Robert J. Samuelson’s April 27 op-ed, “Selling the Green Economy,” was way off the mark on the economics of tackling climate change. It was a call to bury our collective heads in the sand simply because the future involves uncertainty — exactly the opposite of what we need to do. Samuelson argued that the cost of moving to a clean-energy economy is higher than advocates expect and that transition can’t happen nearly fast enough to meet the ambitious goals proposed in the climate and …