Reid: Kochs 'main cause' of climate change By: Burgess Everett May 7, 2014 10:37 AM EDT Charles and David Koch are one of the “main causes” of climate change, charged Senate Majority Leader Harry Reid on the Senate floor. “While the Koch brothers admit to not being experts on the matter, these billionaire oil tycoons are certainly… experts at contributing to climate change. That’s what they do very well. They are one of the main causes of this. Not a cause, the main cause,” Reid said. Now in his fifth month of flogging the billionaire conservative benefactors on the Senate...