The latest scientific reports on climate change trot out all the familiar devastating consequences of global warming: Melting ice caps, rising sea levels, shifting weather patterns, super-hurricanes, species extinctions, droughts, drowning polar bears. Now I’m going to tell you something really scary–the single most terrifying threat that global warming poses to mankind, and one you’ve probably never considered. It is so spine-tinglingly dreadful, so blood-curdingly awful, so bone-chillingly horrible that no one on either side of the issue will speak of it. Why? Because it scares the living bejeebers out of them, that’s why. Global warming will bring back the…