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    Inside the Bush and Rubio Iowa ground games

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Inside the Bush and Rubio Iowa ground games

It's the final countdown for the candidates, before the first votes of 2016. CNN goes inside Marco Rubio and Jeb Bush's phone bank operations in Iowa.

Inside the Bush and Rubio Iowa ground games

It's the final countdown for the candidates, before the first votes of 2016. CNN goes inside Marco Rubio and Jeb Bush's phone bank operations in Iowa.