Grad student at Caltech. Democratic activist -- Young Democrats, local campaigns. Write campaign software: http://www.opencampaigns.net.
Also posted at Daily Kos and OpenLeft
I'm created a small website/widget that does the math for an Iowa precinct caucus, in case you're curious to play with the numbers. It's up at http://caucusmath.com. You can play with the numbers to your heart's delight, and see how this mildly crazy system works. When we get results next Thursday, they'll be delegate counts, not raw votes, so understanding how they relate to each other is instructive.
Various candidates (Obama I'm sure, and likely others) have put calculators up as part of their sites for training caucus-goers, but they're all Flash and part of their sites, so not easily accessible (or friendly for supporters of other candidates).
desmoinesdem has a great series of diaries at MyDD about how the caucuses work, especially in the larger context, but I wasn't able to find a good, fast, web-accessible calculator to play with the numbers.
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