In honor of Rick Perry’s decision to quit the race, I’m reprinting one part of this blog post from September, which discusses what I still think is the most memorable moment of the entire campaign: when, in one of the early debates, Perry invoked Galileo in defense of his position on climate change.     The most arresting moment of the debate was when Rick Perry invoked Galileo in defense of his skepticism about climate change.  Here’s what he said: The science is not settled on this.  The idea that we would put Americans’ economy at jeopardy based on scientific theory that’s not settled yet to me is just nonsense.  Just because you have a group of scientists who stood […]