But it will all but rule out the wild cards who used to be able to seize national attention on the strength of their performances in Iowa or New Hampshire.
On Monday, this new rule was broadened to include debit cards and purchases at any online site outside the country, which targets Amazon and eBay purchases.
Taking some powers from the Fed and other bank regulators, this would have broad rule-writing and enforcement powers over mortgages, credit cards and the like.