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Electronic voting machines checked in preparation for school referendum vote in Tenn.

Jim Weber / The Commercial Appeal via AP

Zach Willis, with the accounting firm Watkins Uiberall, inspects some of the 57 voting machines at the Shelby County Election Commission Operations Center in Memphis, Tenn. on June 24, 2013. The machines will be used for early voting as the suburban municipalities surrounding Memphis prepare to vote on the municipal schools referendum.