Additionally, Putin offered a fairly full-throated defense of voting and the value of citizen engagement.

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That makes it different than what a legislator says on the campaign trail or what a private citizen does within the voting booth.

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This year, with 46 million potential voters, not only do Millennials now comprise a full 25% of the voting-age American public, but they also surpass the 39 million senior citizen voters commonly thought to be the most powerful voting bloc.

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Immigrant and voting-rights advocates see non-citizen suffrage as a matter of taxpayer fairness and civic engagement.

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They even plan to make the July voting accessible on the Internet: any citizen can get free software to check the register of voters, and even to keep an eye on detailed results, which are planned to be updated every seven minutes.

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"Voting is a realization of their social position of a citizen, as a person in a larger community, " said Shawn Rosenberg, a professor of psychology at the University of California, Irvine.

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