A makeshift memorial is growing on the front lawn of a home as the door in the background shows bullet holes and evidence markers where children were killed during a mass shooting the day before in Shreveport, La., Monday, April 20, 2026. (AP Photo/Gerald Herbert)

Leon Smith, named the 2026 National Teacher of the Year, talks to students inhis classroom at Haverford High School, in Havertown, Pa.on Monday, April 20, 2026. (AP Photo/Tassanee Vejpongsa)

Leon Smith, named the 2026 National Teacher of the Year, stands in front of his classroom at Haverford High School, in Havertown, Pa. on Monday, April 20, 2026. (AP Photo/Tassanee Vejpongsa)

A man holds the flag of Luxembourg and a placard as he demonstrates outside a meeting of EU foreign ministers at the European Council building in Luxembourg, Tuesday, April 21, 2026. (AP Photo/Virginia Mayo)

Lebanon's Prime Minister Nawaf Salam arrives for a meeting of EU foreign ministers at the European Council building in Luxembourg, Tuesday, April 21, 2026. (AP Photo/Virginia Mayo)

Ireland's Foreign Minister Helen McEntee speaks with the media as she arrives for a meeting of EU foreign ministers at the European Council building in Luxembourg, Tuesday, April 21, 2026. (AP Photo/Virginia Mayo)

European Union foreign policy chief Kaja Kallas arrives for a meeting of EU foreign ministers at the European Council building in Luxembourg, Tuesday, April 21, 2026. (AP Photo/Virginia Mayo)

Police officers stand guard at a checkpoint on a barricaded to ensure security ahead of the second round of negotiations between the U.S. and Iran, in Islamabad, Pakistan, Tuesday, April 21, 2026. (AP Photo/Anjum Naveed)