US Vice President JD Vance and Second Lady Usha Vance arrive to greet the Taoiseach of Ireland Micheál Martin and his wife Mary O'Shea for a St. Patrick's Day breakfast at the Vice President's residence in the US Naval Observatory in Washington, DC on March 16, 2026. The Irish prime minister arrived in the United States March 13 for an annual St Patrick's Day trip under pressure to talk tough to US President Donald Trump amid the Iran war. (Photo by ROBERTO SCHMIDT / POOL / AFP via Getty Images)

US Senator Markwayne Mullin, Republican from Oklahoma, tapped by US President Donald Trump to replace US Homeland Security Secretary Kristi Noem attends a St. Patrick's Day breakfast hosted by US Vice President JD Vance and Second Lady Usha Vance in honor of the Taoiseach of Ireland Micheál Martin at the Vice President's residence in the US Naval Observatory in Washington, DC on March 16, 2026. The Irish prime minister arrived in the United States March 13 for an annual St Patrick's Day trip under pressure to talk tough to US President Donald Trump amid the Iran war. (Photo by ROBERTO SCHMIDT / POOL / AFP via Getty Images)

US Vice President JD Vance speaks during breakfast in honor of the Taoiseach of Ireland Micheál Martin at the Vice President's residence in the US Naval Observatory in Washington, DC on March 16, 2026. The Irish prime minister arrived in the United States March 13 for an annual St Patrick's Day trip under pressure to talk tough to US President Donald Trump amid the Iran war. (Photo by ROBERTO SCHMIDT / POOL / AFP via Getty Images)

US Vice President JD Vance speaks during breakfast in honor of the Taoiseach of Ireland Micheál Martin (L) at the Vice President's residence in the US Naval Observatory in Washington, DC on March 16, 2026. The Irish prime minister arrived in the United States March 13 for an annual St Patrick's Day trip under pressure to talk tough to US President Donald Trump amid the Iran war. (Photo by ROBERTO SCHMIDT / POOL / AFP via Getty Images)

WASHINGTON, DC - MARCH 17: US Vice President JD Vance greets the Taoiseach of Ireland Micheál Martin during a breakfast at the Vice President's residence in the US Naval Observatory on March 17, 2026 in Washington, DC. The Irish Prime Minister arrived in the United States March 13 for an annual St Patrick's Day trip and will meet with US President Donald Trump later today. (Photo by Roberto Schmidt-Pool/Getty Images)

WASHINGTON, DC - MARCH 17: US Vice President JD Vance speaks during a breakfast for the Taoiseach of Ireland Micheál Martin (L) at the Vice President's residence in the US Naval Observatory on March 17, 2026 in Washington, DC. The Irish Prime Minister arrived in the United States March 13 for an annual St Patrick's Day trip and will meet with US President Donald Trump later today. (Photo by Roberto Schmidt-Pool/Getty Images)

WASHINGTON, DC - MARCH 17: US Vice President JD Vance greets the Taoiseach of Ireland Micheál Martin during a breakfast at the Vice President's residence in the US Naval Observatory on March 17, 2026 in Washington, DC. The Irish Prime Minister arrived in the United States March 13 for an annual St Patrick's Day trip and will meet with US President Donald Trump later today. (Photo by Roberto Schmidt-Pool/Getty Images)

US Vice President JD Vance speaks during breakfast in honor of the Taoiseach of Ireland Micheál Martin at the Vice President's residence in the US Naval Observatory in Washington, DC on March 16, 2026. The Irish prime minister arrived in the United States March 13 for an annual St Patrick's Day trip under pressure to talk tough to US President Donald Trump amid the Iran war. (Photo by ROBERTO SCHMIDT / POOL / AFP via Getty Images)