FILE - Irish Prime Minister Leo Varadkar speaks at the EPP Congress in Bucharest, Romania, Thursday, March 7, 2024. Irish Prime Minister Leo Varadkar says he will step down as leader of the country as soon as a successor is chosen. Varadkar announced Wednesday he is quitting immediately as head of Fine Gael party, part of Ireland’s coalition government. (AP Photo/Andreea Alexandru, File)
Irish Prime Minister Leo Varadkar, front, arrives for a statement in Dublin, Ireland, Wednesday, March 20, 2024. Irish Prime Minister Leo Varadkar says he will step down as leader of the country as soon as a successor is chosen. Varadkar announced Wednesday he is quitting immediately as head of the center-right Fine Gael party, part of Ireland’s coalition government. (Nick Bradshaw/PA via AP)
FILE - Irish Prime Minister Leo Varadkar gets out of his car as he goes to meet Northern Ireland's First Minister Michelle O'Neill and Deputy First Minister Emma Little-Pengelly, in Belfast, Northern Ireland, Feb. 5, 2024. Irish Prime Minister Leo Varadkar says he will step down as leader of the country as soon as a successor is chosen. Varadkar announced Wednesday he is quitting immediately as head of Fine Gael party, part of Ireland’s coalition government. (AP Photo/Peter Morrison, File)
Irish Prime Minister Leo Varadkar speaks duringt a statement in Dublin, Ireland, Wednesday, March 20, 2024. Irish Prime Minister Leo Varadkar says he will step down as leader of the country as soon as a successor is chosen. Varadkar announced Wednesday he is quitting immediately as head of the center-right Fine Gael party, part of Ireland’s coalition government. (Nick Bradshaw/PA via AP)
FILE - Ireland's Prime Minister Leo Varadkar, right, presents President Joe Biden with a bowl of Shamrocks during a St. Patrick's Day reception in the East Room of the White House, Sunday, March 17, 2024. Irish Prime Minister Leo Varadkar says he will step down as leader of the country as soon as a successor is chosen. Varadkar announced Wednesday he is quitting immediately as head of the center-right Fine Gael party, part of Ireland’s coalition government. (AP Photo/Stephanie Scarbrough, File)
FILE - Ireland's Prime Minister Leo Varadkar, left, shakes hands with Ukraine's President Volodymyr Zelenskyy during a joint news conference at Horodetskyi House in Kyiv, Ukraine, Wednesday July 19, 2023. Irish Prime Minister Leo Varadkar says he will step down as leader of the country as soon as a successor is chosen. Varadkar announced Wednesday he is quitting immediately as head of the center-right Fine Gael party, part of Ireland’s coalition government. (Clodagh Kilcoyne/Pool via AP, File)
FILE - Prime Minister Justin Trudeau, left, talks with Irish Prime Minister Leo Varadkar, right, during the annual pride parade in Montreal, Sunday, Aug. 20, 2017. Irish Prime Minister Leo Varadkar says he will step down as leader of the country as soon as a successor is chosen. Varadkar announced Wednesday he is quitting immediately as head of the center-right Fine Gael party, part of Ireland’s coalition government. (Graham Hughes/The Canadian Press via AP, File)
Irish Prime Minister Leo Varadkar, center, leaves after speaking in Dublin, Ireland, Wednesday, March 20, 2024. Irish Prime Minister Leo Varadkar says he will step down as leader of the country as soon as a successor is chosen. Varadkar announced Wednesday he is quitting immediately as head of the center-right Fine Gael party, part of Ireland’s coalition government. (Nick Bradshaw/PA via AP)
Ireland's Prime Minister Leo Varadkar, right, presents President Joe Biden with a bowl of Shamrocks during a St. Patrick's Day reception in the East Room of the White House, Sunday, March 17, 2024. (AP Photo/Stephanie Scarbrough)
FILE - From right, Ireland's Prime Minister Leo Varadkar, former US secretary of state Hillary Clinton former US president Bill Clinton, Britain's Prime Minister Rishi Sunak with his wife Akshata Murty pose for photographers at the entrance to the Queen's University Belfast in Belfast, Wednesday, April 19, 2023. Irish Prime Minister Leo Varadkar says he will step down as leader of the country as soon as a successor is chosen. Varadkar announced Wednesday he is quitting immediately as head of the center-right Fine Gael party, part of Ireland’s coalition government. (AP Photo/Peter Morrison, File)