If the campaign is doing its job.... ALL of them.
The campaign should have ensured that every single one of them was contacted personally and contacted again on Saturday morning to ensure that they were ready to go caucus and could get to their caucus site.
But... those contacts need to come directly from the campaign.
My suspicion is that the "phone from home" thing is being used against the campaign by supporters of other candidates. The reports of people getting ticked off at the Paul campaign after being contacted multiple times on the same day is a sign that a group of people are intentionally sabotaging that system.
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