Earlier this week, the famed TV scientist Bill Nye went on an MSNBC talk show to discuss the economic cost of climate change and the consequences it could levy on rural America. Nye’s chat with Hardball host Chris Matthews took a surprising turn when the Science Guy started advocating for a U.S. incursion, of sorts, into Canada. As global temperatures rise, Nye said, “the growing (of crops) in North America is going to have to move north into what would nominally be Canada. We don’t have the infrastructure, we don’t have the railroads and roads to get food from that...