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Want to Vote? Get Fingerprinted.

With biometric verification, both parties could declare victory in the war over voter ID and move on.
It works in Brasilia.

It works in Brasilia.

Photographer: Evaristo Sa/AFP/Getty Images

Fingerprints can now be used to unlock smart phones, car engines, even guns. Why not ballots, too?

A New Mexico legislator has just proposed that his state’s election officials study the feasibility of a biometric voter identification system. The idea is simple enough: Rather than require voters to show a particular type of document that not everyone possesses, the law could require election officials to collect a piece of information -- a finger image or an eye scan -- from all voters, which would confirm their identity at the polls.