ThinkProgress reports on the “evolving” position of Rep. Fred Upton (R-Mich.) on issues of global climate change.

Wait, is Senate Minority Leader Mitch McConnell (R-KY) combating legislation to create new carbon emission standards because it'll hurt oil company profits, or is he fighting the bill as a political maneuver to get revenge for Democrats holding up judicial nominations? When fighting legislation to make corporate interests happy, it's so hard to keep those flimsy excuses straight.