U.S. President Joe Biden speaks in a pub in Dundalk, Ireland, April 12, 2023. REUTERS/Kevin Lamarque

U.S. President Joe Biden is welcomed by Ireland's Prime Minister (Taoiseach) Leo Varadkar as he arrives to attend a dinner at Dublin Castle, in Dublin, Ireland, April 13, 2023. REUTERS/Kevin Lamarque

U.S. President Joe Biden participates in a tree planting ceremony, as he meets with Irish President Michael Higgins, at Aras an Uachtarain, in Dublin, Ireland, April 13, 2023. REUTERS/Kevin Lamarque

U.S President Joe Biden departs Farmleigh House, Dublin, after a meeting with Ireland's Prime Minister (Taoiseach) Leo Varadkar, on day three of his visit to the island of Ireland. Picture date: Thursday April 13, 2023. Niall Carson/Pool via REUTERS

U.S. President Joe Biden, flanked by Ireland's Prime Minister (Taoiseach) Leo Varadkar, attends a dinner at Dublin Castle, in Dublin, Ireland, April 13, 2023. REUTERS/Kevin Lamarque

U.S. President Joe Biden meets with Irish President Michael Higgins, in Dublin, Ireland, April 13, 2023. REUTERS/Kevin Lamarque

U.S. President Joe Biden meets British Prime Minister Rishi Sunak at the Grand Central Hotel, Belfast, Northern Ireland April 12, 2023. REUTERS/Kevin Lamarque

U.S. President Joe Biden and Ireland's Prime Minister (Taoiseach) Leo Varadkar meet Camogie players at Farmleigh House, in Dublin, Ireland. Picture date: Thursday April 13, 2023. Niall Carson/Pool via REUTERS

U.S. President Joe Biden talks to people in a pub in Dundalk, Ireland, April 12, 2023. REUTERS/Kevin Lamarque TPX IMAGES OF THE DAY

U.S. President Joe Biden speaks as he attends a dinner at Dublin Castle, in Dublin, Ireland, April 13, 2023. REUTERS/Kevin Lamarque

U.S. President Joe Biden visits a food hall in Dundalk, Ireland, April 12, 2023. REUTERS/Kevin Lamarque

U.S. President Joe Biden delivers remarks marking the 25th anniversary of the Belfast/Good Friday Agreement and underscoring the readiness of the United States to support Northern Ireland's vast economic potential to the benefit of all communities, at Ulster University, Belfast, Northern Ireland, April 12, 2023. REUTERS/Clodagh Kilcoyne

U.S. President Joe Biden shake hands as he departs the chamber after addressing the Houses of the Oireachtas at Leinster House, Dublin, Ireland, April 13, 2023. Kenny Holston/Pool via REUTERS

U.S. President Joe Biden walks on a street in Dundalk, Ireland, April 12, 2023. REUTERS/Kevin Lamarque

U.S. President Joe Biden tours Carlingford Castle, in County Louth, Ireland April 12, 2023. REUTERS/Kevin Lamarque

U.S. President Joe Biden looks up as he addresses the Houses of the Oireachtas at Leinster House, Dublin, Ireland, April 13, 2023. Kenny Holston/Pool via REUTERS

U.S. President Joe Biden takes a selfie outside a pub during his visit in Dundalk, Ireland, April 12, 2023. REUTERS/Kevin Lamarque TPX IMAGES OF THE DAY

British Prime Minister Rishi Sunak and U.S. Ambassador to the United Kingdom Jane Hartley greet U.S. President Joe Biden next to Joe Kennedy upon Biden's arrival at RAF Aldergrove airbase in County Antrim, Northern Ireland April 11, 2023. REUTERS/Kevin Lamarque REFILE - QUALITY REPEAT TPX IMAGES OF THE DAY