Ron Paul at rally in Des Moines, Iowa
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Young voices from Iowa caucuses

US presidential candidate Ron Paul is well known for his strong support among many young Americans, and they've turned up at the Iowa caucuses to hear him speak.

Meanwhile, the arrest of Occupy the Caucus demonstrators nearby prompts talk about the status of their generation during the campaign season.

Both groups are wary of the political status quo, and question how and if change is possible.

Go to next video: Science of Politics: Iowa Caucus