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Make up about half of the caucus vote. all three of those candidates have the possibility of really surprising because organization is what ultimately matters most in the caucus. 120,000 to 150,000 caucus goers shep in a state of 3 million very small. six candidate race you can win with 30 or 40,000 votes. any of the candidates could organize that. >> shepard: carl cammeron live in des moines. one part of iowa say the candidates arent visiting as much as they did four years ago. the state republ...