Former Massachusetts Gov. Mitt Romney speaks during a rally at Missouri Valley Steel in Sioux City, Iowa, Friday, Dec. 16, 2011.
Former House Speaker Newt Gingrich, with his wife Callista, speaks at a Hy-Vee store in Mt Pleasant, Iowa, Tuesday, Dec. 20, 2011.
Texas Gov. Rick Perry speaks to local residents during a campaign stop at the Pizza Ranch restaurant, Monday, Dec. 19, 2011, in Manchester, Iowa.
U.S. Rep. Michele Bachmann, R-Minn., greets local residents during a campaign stop at the Merry Bees coffee shop, Monday, Dec. 19, 2011, in Hampton, Iowa.
Former Pennsylvania Senator Rick Santorum greets local residents during a campaign stop at the Monarch restaurant, Tuesday, Dec. 20, 2011, in Pella, Iowa.
U.S. Rep. Ron Paul of Texas speaks during a town hall meeting at the Fisher Community Center, Saturday, Dec. 10, 2011, in Marshalltown, Iowa.
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Two weeks from Tuesday, Iowa voters will head out to almost 1,800 caucus sites to help select a Republican presidential nominee. It could be cold. It could also be snowing. And the campaigns know they'll have to work hard to make sure their supporters show up. Those get-out-the-vote efforts could make all the difference in a race that now appears to be up for grabs.
Drake University student Ben Levine is home right now in Minnesota for the holidays. But next week, he'll be back in Iowa joining an army of young volunteers who plan to spend their holiday break working for Ron Paul.
"We'll be doing a lot of ground campaigning, going door to door, talking to Iowa voters directly," Levine says. "We'll be doing a lot of phone calls, phone banking from the headquarters in Iowa to get the vote out, remind people who are staunch Ron Paul supporters to go out and vote."
Paul is the oldest of the candidates by far, but his campaign has generated strong interest among the youngest voters: students. The Texas congressman's opponents openly admit he has the most enthusiastic, if not the best, ground operation in the state — and that it could put him over the top on Jan. 3.
"I want things to change so desperately that I'm willing to go all-out and campaign for him. I think the enthusiasm really comes, because young people when they get behind something, they have a ton of energy," says Levine.
And that's what it takes — reminding supporters to not only show up and vote, but to get their friends out, too. All the campaigns have lists of potential backers whom they'll contact repeatedly in the days ahead.
"Obviously, we'd love your support at the caucus. ... But we also need folks to help at the caucus and to help us before the caucus," former Pennsylvania Sen. Rick Santorum told a group of potential supporters in Carroll, Iowa, last week.
Aides were there to pass around a signup sheet for precinct captains and postcards that people can send to their friends.
"Bumper stickers, yard signs, talk to your friends. I'd be happy to stick around a few minutes if you want to take pictures. Put them up on Facebook. Tweet. Talk to your friends. Network. Try to get them to come to the caucus for us," urged Santorum.
"Real estate professionals talk about the three most important factors being location, location and location. In electoral politics, the three most important factors are turnout, turnout and turnout," explains Dennis Goldford, politics professor at Drake.
Goldford says it's a little like a chain letter. You get some base support and then try to spread it from one person to the next. A good ground operation isn't sufficient to win, Goldford says, but it is necessary.
He notes that former House Speaker Newt Gingrich was in the lead and is now the target of aggressive attacks from his opponents. But he doesn't have much of a ground organization to help out.
Gingrich "didn't have the infrastructure in place to build on that initial enthusiasm for him. And so it's not there as a safety net when he starts to fall back," says Goldford.
Goldford says Mitt Romney has a better ground organization, but the former Massachusetts governor hasn't spent much time in the state.
And for getting out the vote in Iowa, it's also all about personalize, personalize, personalize.