The network of political groups headed by conservative industrialists David and Charles Koch spent millions of undisclosed dollars in last year's elections. Now, after failing to help Republicans win the White House or the Senate, the Koch brothers are re-examining the network, its goals and strategies.
After spending millions of dollars in the presidential and Senate campaigns with little to show for it, many superPACs and other outside groups are still tending their wounds. But it's too soon to write off superPACs as a waste of wealthy donors' money.
Consider, for instance, this upset in a congressional race outside Los Angeles.