Former U.S. Sen. George Mitchell,left, and former US Secretary of State Hillary Clinton chat on the first day of a three-day international conference at Queen's University Belfast to mark the 25th anniversary of the Good Friday Agreement, in Belfast, Northern Ireland, Monday, April 17, 2023. Former U.S. President Bill Clinton and past leaders of the U.K. and Ireland are gathering in Belfast on Monday, 25 years after their charm, clout and determination helped Northern Ireland strike a historic peace accord. (AP Photo/Peter Morrison)