During a ceremonial welcome to Windsor Castle, from left, Sabina Higgins, Britain's Queen Elizabeth II, President of Ireland Michael D Higgins and Prince Philip, on Tuesday April 8, 2014, in Windsor, ... more 
During a ceremonial welcome to Windsor Castle, from left, Sabina Higgins, Britain's Queen Elizabeth II, President of Ireland Michael D Higgins and Prince Philip, on Tuesday April 8, 2014, in Windsor, England. Higgins opened the first official visit by the head of state of the Irish Republic to the United Kingdom, heavy with symbolism for the two countries with a tangled and troubled history. (AP Photo / Peter Macdiarmid) less 
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Associated Press
Tue, Apr 8, 2014 9:18 AM EDT