The stampede of Republicans dumping contributions from Ted Stevens picked up speed today:

• Senate Republican Leader Mitch McConnell's campaign spokesman tells us that McConnell is donating $10,000, the amount McConnell has received this cycle from Stevens' leadership PAC, to the Wayside Christian Mission. Still no response on whether McConnell is endorsing Stevens for reelection.

• The Pioneer Press is reporting that Sen. Norm Coleman of Minnesota is donating the money to support childhood cancer research. Interestingly enough, he'd previously said he wouldn't dump the money, on the grounds that Stevens is innocent until proven guilty. But a Franken radio ad tying him to Stevens might just have changed his mind.

• Mike Johanns, the Republican nominee favored to win the open seat in Nebraska, is also donating the money he's received from Stevens to charity.

CNN and NBC call Nebraska for Obama.

With 73% reporting, it's 69-31.

Seeking to frame tonight's results in advance, Hillary spokesperson Phil Singer sends out this statement:

The Obama campaign has dramatically outspent our campaign in these three states, saturating the airwaves with 30 and 60 second ads. The Obama campaign has spent $300,000 more in Louisiana on television ads, $190,000 more in Nebraska and $175,000 more in Washington.

Although the next several states that hold nominating contests this month are more favorable to the Obama campaign, we will continue to compete in them and hope to secure as many delegates as we can before the race turns to Ohio, Texas and Pennsylvania.

Hillary advisers are gritting their teeth for a bloodbath tonight -- and indeed, are bracing for the possibility of winning no contests this month. They've spent days and days trying to lower expectations for what will happen, so it'll be interesting to see how the media plays tonight's results.

Super Tuesday is hardly over, but the Democratic campaigns are already geared up for some big races this weekend, with a total of 182 delegates up for grabs. Barack Obama is currently favored in three out of four of the contests, with only one possibly leaning to Hillary Clinton.

Our handy rundown is available after the jump.

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Hillary Clinton has a new ad running in Nebraska, where 24 delegates are stake in this Saturday's caucuses. The spot features a one-time giant of state politics, former Senator Bob Kerrey:

Barack Obama has done exceptionally well in Mountain and Prairie West caucuses, and the campaign is probably hoping for a big win here as well. The question for Hillary is whether Kerrey's endorsement can help trump Senator Ben Nelson and Omaha Mayor Mike Fahey, the two current leaders of the state party who are both actively supporting Obama.