Ron Johnson actually said...

"Is there a role the government can play that does not actually do more harm than good?"

"Do you deny the fact that Google and Yahoo! have an enormous free market incentive to make sure that this criminal activity does not occur on the networks?"

"Doesn't Yahoo! and Google, don't they have enormous financial incentives to try and police this and prevent malvertising and malware?"

"So you are actually talking about enforcement; you are talking about going after criminals and enforcing and penalizing the criminals."