A senior scientist at NASA has announced in the New York Times that he has terminal cancer. This is sad. What’s sadder, though, is that he has chosen to exploit his personal tragedy for the purposes of promoting climate change alarmism. Here is how Piers Sellers (pictured) – acting director of NASA’s Earth Sciences division – begins his New York Times article: I'm a climate scientist who has just been told I have Stage 4 pancreatic cancer. This diagnosis puts me in an interesting position. I've spent much of my professional life thinking about the science of climate change, which...