MS NOW

‘There are no coal mines on Mars’

The worst argument against climate science ever? Maybe. A Kentucky state senator believes temperatures on Mars disprove global warming.

This image provided Thursday Sept. 1, 2011 by NASA shows NASA's Mars Exploration Rover Opportunity using its camera to take this picture showing the rover's arm extended, Aug. 21, 2011.
This image provided Thursday Sept. 1, 2011 by NASA shows NASA's Mars Exploration Rover Opportunity using its camera to take this picture showing the rover's arm extended, Aug. 21, 2011.AP

Steve Benen is a producer for "The Rachel Maddow Show," the editor of MaddowBlog and an MS NOW political contributor. He's also the bestselling author of "Ministry of Truth: Democracy, Reality, and the Republicans' War on the Recent Past."