UK prime minister Harold Wilson once said in the 1960s that a week is a long time in Politics, but as we look at changing attitudes to climate change, we also realize that a week is a long time in renewable energy. Perhaps that’s because it is so political. The US is, in almost all other technologies, a market leader or is in fact THE market leader. So as the US position changes on climate change, so does its spend on renewable energy and that spend can in turn influence the spend elsewhere. We have said for some time now that we feel that parity of costs in both wind and increasingly in solar, means that there are no excuses…