Without a blush of shame, this week’s Science magazine just ran an article called “Contributions of stratospheric water vapor to decadal changes in the rate of Global Warming.” After wiping off the unnecessary words we’re left with: “Global Warming would be here — except for that damned water vapor.” It’s the “woulda coulda shoulda” of the True Believers. Al Gore’s Ptolemaic epicycles are being rolled onto the scientific stage, to be piled higher and deeper until they fit the curve of real temperatures – a nearly flat line with a little bit of jitter. You could just turn it into...