Despite the long presidential campaign, the pair are virtual strangers and have met just three or four times in the past.

BBC: US election: Obama and Romney debate economy in Denver

To do this, you could run a "Monte Carlo simulation" in which you plug historical weather data into a computer and then roll a pair of virtual dice 10, 000 times.

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If you've been wondering what all the Google this, Glass that fuss is all about, Mountain View's revealed what it'll be like to actually port a pair of its upcoming virtual specs with a new video, now that it's announced limited availability of the wearable computer.

ENGADGET