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Britain's Prince Charles. left, shakes hands with Sinn Fein president Gerry Adams at the National University of Ireland in Galway, Ireland, Tuesday May 19, 2015. Prince Charles has begun an official visit to Ireland featuring two new milestones of peacemaking: his first meeting with leaders of the Irish nationalist Sinn Fein party, and his first trip to the fishing village where the Irish Republican Army killed his great-uncle 36 years ago. It is Charles' third trip to the Irish Republic since the outlawed IRA called a 1994 cease-fire. (Brian Lawless/Pool photo via AP)
Britain's Prince Charles. left, shakes hands with Sinn Fein president Gerry Adams at the National University of Ireland in Galway, Ireland, Tuesday May 19, 2015. Prince Charles has begun an official visit to Ireland featuring two new milestones of peacemaking: his first meeting with leaders of the Irish nationalist Sinn Fein party, and his first trip to the fishing village where the Irish Republican Army killed his great-uncle 36 years ago. It is Charles' third trip to the Irish Republic since the outlawed IRA called a 1994 cease-fire. (Brian Lawless/Pool photo via AP)

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    Prince Charles meets Sinn Fein leader in historic first

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Prince Charles meets Sinn Fein leader in historic first

Prince Charles tentatively met Sinn Fein leader Gerry Adams in a symbolic step towards peace. CNN's Max Foster reports.

Prince Charles meets Sinn Fein leader in historic first

Prince Charles tentatively met Sinn Fein leader Gerry Adams in a symbolic step towards peace. CNN's Max Foster reports.