In a striking departure from the 2012 election, super PACs and other non-candidate organizations have spent more on U.S. Senate races in July, August and September than on the presidential election, a new analysis shows.
The spending pattern may be the best evidence yet that the big money that would normally go to supporting the GOP frontrunner has instead migrated down ballot, especially to U.S. Senate races where there is a strong chance Democrats may take control.