Daily Kos Elections Morning Digest: Dean Heller spazzes over new Shelley Berkley ad

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' NV-Sen: I don't know how much to make of this, but Republican Sen. Dean Heller seems kind of stressed:

So far, Sen. Dean Heller has mostly left it up to his campaign to take shots at his Senate challenger, Rep. Shelley Berkley, over her pending ethics investigation.

But Berkley's latest ad appears to have pushed him past the point of caring about such political niceties.

"The most unethical, corrupt person I've ever met in my life is Shelley Berkley," Heller told reporters this afternoon in the Capitol.

Here's the ad in question. It's negative, sure, but pretty standard stuff (and all crap Heller's been hit with before in prior races), yet he's acting like a stuck pig.