Forget about polar vortex as an excuse for how global warming is causing extreme cold weather. A brave new word seems to have replaced it: "bombogenesis." The most enthusiastic promoter of bombogenesis in the mainstream media is non climate expert, physicist Michio Kaku. Although Kaku previously used the polar vortex excuse frequently, he has now enthusiastically embraced "bombogenesis" as you can see in his CBS This Morning report below which he delivers in such apocalyptic terms that he claims the weather will be so extreme later this week that the temperature drop will last most of the rest of this...