People walking along Dublin&#39;s riverside pass a gauntlet of referendum posters Sunday, May 13, 2012. The government is asking voters to approve the European Union&#39;s fiscal treaty in a May 31 vote. The poster in the upper right advises &quot;Ta,&quot; which is Gaelic for &quot;yes.&quot; Ireland is the only EU member subjecting the debt-fighting agreement to a national vote. (AP Photo/Shawn Pogatchnik)