New West: Over the last few years I`ve noticed something interesting about our ongoing climate change discussions. It used to be that logic and knowledge were the keys. We looked at the best available science, weighed the predicted costs of action versus the predicted costs of inaction, and then considered the most appropriate alternatives. Businesses use this kind of approach all the time. It`s called a “cost-benefit analysis.” Recently, though, our climate discussions have slowed and even …