Slate: Marco Rubio isn't buying it. Even though the White House said last week that climate change is a reality, and the Pentagon has acknowledged it is working on preparing for the effects of a warmer planet, the Republican senator from Florida says he isn't really worried.
"I do not believe that human activity is causing these dramatic changes to our climate the way these scientists are portraying it,' Rubio told ABC News. He added that there's really nothing that can be done to push back against a...