Last year, Glacier National Park in Montana began removing signs that warned visitors the park’s gigantic glaciers would start melting away by 2020 due to global warming. Park officials altered other climate change flair such as brochures and displays to postpone the threat to sometime in “future generations.” Like so many claims about the catastrophic consequences of anthropogenic global warming, predictions about disappearing glaciers were quickly memory-holed. And, as usual, the experts behind the flawed science that misled millions of people to believe their actions would cause the destruction of one of nature’s most awesome sights didn’t apologize. No scientist...