NBC calls Lousiana for Obama, giving him a sweep of all three states tonight -- Lousiana, Nebraska and Washington State.

With 31% reporting, Obama leads Hillary 51%-39%.

Separately, Obama spokesman Bill Burton sends over this response to the news that Hillary has raised $10 million since Super Tuesday:

“

We'’ve raised well more than the Clinton campaign this month but more importantly is how we have raised it, from hundreds of thousands of donors who are also forming the backbone of a potent grassroots movement for change.

More than 350,000 donors have contributed to our campaign just this year.

Late Update: The Obama campaign has a memo out detailing the lead in delegates that has resulted from tonight's wins.

Late Late Update: Here are CNN's current official delegate counts: They find Obama with an edge in pledged delegates, but Hillary leading with super-delegates factored in.

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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Former Sen. John Breaux (D-LA) stars in a new radio spot for Hillary Clinton in the state he represented, promoting her record on securing health care for children and National Guardsmen. "So when Hillary Clinton says she'll get health care for every American, I know she'll do it," Breaux says. "And boy, do we need it."

There is one wrinkle with Breaux's presence in the ad, and his talk about health care: Breaux became a lobbyist since leaving the Senate three years ago, first with Patton-Boggs and now his new firm with Trent Lott. Among Breaux's clients, according to media reports as recent as December 2007, is none other than Wal-Mart.

Besides the intended effect of motivating voters who remember Breaux favorably, the presence of a lobbyist for Wal-Mart in a Hillary spot is a potentially sensitive situation, since Wal-Mart is seen as a symbol of corporate greed and unfair labor practices by many Democratic activists.

The Hillary camp has pointed out that Hillary has shown sustained and aggressive support for organized labor in general and for the rights of Wal-Mart workers to organize in particular. They also argue she tried to change Wal-Mart's policies when she served on the board of directors.

Barack Obama has a new ad in Louisiana, seemingly picking up where John Edwards left off in highlighting the restoration of New Orleans as an issue:

There are 56 delegates at stake in tomorrow's Louisiana primary.

A very special event happened for the Fred Thompson campaign on Tuesday — besides his official withdrawal from the race, of course. It turns out that after he withdrew via a press release that afternoon, he effectively won something that same night.

National Review reports that the winner of the Louisiana caucuses was an uncommitted slate running under the title of "Pro-Life, Pro-Family," followed by John McCain, Ron Paul and Mitt Romney. In fact, the organizers of that "Pro-Life, Pro-Family" slate were almost all Thompson supporters who decided to take that name a few weeks ago, when it became a distinct possibility that he would drop out before the caucuses — which he did that very afternoon.

If Thompson had still been in the race, a Louisiana political source explained to NR, his state delegate strength in Louisiana would have been enough to potentially get him all of the state's 47 national delegates. The one big problem, though, is that he dropped out only hours before he finally won something.

Oh, well. As the late, great Hank Williams would say, Fred's victory came just in time to be too late.

Primaries, caucuses, and more primaries -- now that we know that the Democratic and Republican races are in it for the long haul, what exactly lies ahead?

What primaries are the key races? Who's leading in which states? What are the main issues at play in each local contest? What local players are backing whom?

Our full road map to what's ahead is after the jump.

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