David Koch, a funder of the group Americans for Prosperity, said in a rare media availability on Thursday that his vilification by the left is "vastly inaccurate in my opinion."
"I try to do things in life that make the world a better place. I'm very philanthropic, I'm a major contributor to cancer research, medical research. I'm a big supporter of cultural institutions of educational institutions and the smallest area of my activity is public policy institutions," he continued, CNN's Shannon Travis reports.
CNN's Kevin Liptak and Paul Steinhauser reported earlier this week on the group's upcoming voter turnout drive: politicalticker.blogs.cnn.com