PITTSBURGH (KDKA) - Dan Rooney will resign as U.S. ambassador to Ireland tomorrow, according to our news partners at the Pittsburgh Post-Gazette.
Rooney has served more than three years as President Barack Obama's top diplomat in Dublin.
Rumors of his resignation have been swirling for some time. In April of 2011, there was speculation about Rooney resigning to campaign for President Obama, after he did an interview with the Irish Times.
The 80-year-old Steelers chairman was appointed as ambassador in 2009 after endorsing President Obama in 2008.
The Post-Gazette says Mr. Rooney became the first U.S. ambassador to visit all 32 counties in Ireland, north and south, and spent much of his time in the country to boosting the Irish economy after its 2008
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