Sigh…

Via WaPo:

When Rep. Steve Israel (D-N.Y.) has trouble sleeping, it’s because of the Koch brothers.

“On the issue of the Republican super PACs and the Koch brothers, honestly, it is the one thing that makes me toss and turn,” Israel, the head of the Democratic Congressional Campaign Committee, told reporters Wednesday.

And why wouldn’t he? Americans For Prosperity, a group backed by the billionaire industrialist brothers, has been the dominant third-party group spending money on House and Senate races so far this cycle. Through late March, AFP had run more than double the ads of its closest Democratic competitor — House Majority PAC — in nine key House races.