Stock Photo - DUBLIN - MAY 20: MAY 25: Roadside election campaign placards endorsing the YES and NO vote on May 20, 2012 in Dublin. On 31 May 2012, the Irish people will vote in a referendum on whether to ratify the Stability Treaty.

DUBLIN - MAY 20: MAY 25: Roadside election campaign placards endorsing the YES and NO vote on May 20, 2012 in Dublin. On 31 May 2012, the Irish people will vote in a referendum on whether to ratify the Stability Treaty.

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