Liberal media sites often highlight the positive trend of solar and wind power. In contrast, Mr. Jenkins, a Wall Street Journal opinion columnist, concentrates his energy-related columns on the well-known flaw of solar and wind energy not being as reliable as fossil fuels. He suggests wind and solar will be niche energy sources. Jenkins is wrong. He has fallen into a trap called mistaken (and sometimes hidden) assumptions. Jenkins assumes the intermittency flaw is a constant.  But battery technology is continually improving, and its use in power storage to solve the intermittency problem is spreading in many countries. Battery technology is advancing so quickly and effectively for automobiles that one can now reliably predict when petroleum-powered cars will become more costly to produce and run.  No wonder Tesla is worth more than Toyota. There are always naysayers to change. The Kodak Board was…