Any doubt that the rules have changed for the way megabanks do business around the world should be removed now.
News over the weekend that regulators had launched a probe into JPMorgan Chase's hiring practices in China provide further evidence that too-big-to-fail banks are in the firing line.
The bank is suspected of hiring the children of prominent Chinese officials in an effort to curry favor there, according to reports first filed by The New York Times's DealBook blog.
Peddling influence in China is hardly a new business trend.
Prosecuting big-league Wall Street banks for doing so is.