That's the calculation of the networks at this point, it seems. A narrow victory:

The Obama camp projects topping Clinton by nine delegates, 845 to 836.

NBC News, which is projecting delegates based on the Democratic Party's complex formula, figures Obama will wind up with 840 to 849 delegates, versus 829 to 838 for Clinton. 

But it allows the Obama camp to point out - correctly - that they won a majority of the contests yesterday, won in a wider variety of red and blue states, and won in the number of delegates counted. Obama is also winning in fundraising. That's a pretty impressive tailwind for this weekend and next Tuesday.

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