One of the common refrains in the inequality debate these days is that the one percent has too much influence in Washington. It's become such a part of conventional wisdom that very few people are willing to refute it in public.

Until now. Hedge-fund billionaire Ken Griffin said in a rare interview with Melissa Harris of the Chicago Tribune that the very wealthy actually have too little influence in politics. When asked about the influence of people "of his means" he said:

"I...