Karl and the Koch brothers contending to be the Dark Pool masters. Right now, believe Karl is ahead, base on money spent, but too early to call.
Two Dark Money Groups Outspending All Super PACs Combined - ProPublica
"Crossroads GPS, or Crossroads Grassroots Policy Strategies, is the brainchild of GOP strategist Karl Rove, and spent an estimated $41.7 million. Americans for Prosperity, credited with helping launch the Tea Party movement, is backed in part by billionaire brothers David and Charles Koch, and spent an estimated $18.2 million."
"First of all, it shows how much desire there is for secrecy among huge donors who want to be able to spend money to influence this election without leaving any fingerprints," said Fred Wertheimer, who runs Democracy 21, a watchdog group. "Secondly, it shows that so far, there is an enormous advantage being played in this election by just two groups that are exercising undue influence in the elections."