"What the Supreme Court did in Citizens United is to say to these same billionaires and the corporations they control: 'You own and control the economy, you own Wall Street, you own the coal companies, you own the oil companies. Now, for a very small percentage of your wealth, we're going to give you the opportunity to own the United States Government.' This is the essence of what Citizens United is all about - and that's why it must be overturned."