For the purposes of his projection model, Johnson doesn't care whether China's Liu Xiang can beat Jason Richardson of the U.S. in the 110-meter hurdles, or if American gymnast Jordyn Wieber can beat back China's army of tiny tumblers.

WSJ: The U.S. Should Clobber the World in London

If it is too close for this model to provide a reliable projection, CNN will wait for primary officials to tally all or almost all the entire vote.

CNN: How does CNN make primary projections?

The projection for these races will be based on a statistical model that uses the actual votes.

CNN: How does CNN make primary projections?

They developed a climate computer model for the archipelago that was based on a mid-range temperature projection being used for a big upcoming UN global-climate report - the 5th Assessment Report of the Intergovernmental Panel on Climate Change (IPCC).

BBC: Canadian glaciers face 'big losses'