Students carry a sign that reads in Portuguese: "Brazil is not the backyard of the U.S." as they march to defend public education and support Brazilian President Luiz Inacio Lula da Silva, who is running for a fourth term, ahead of the presidential runoff election in Rio de Janeiro, Wednesday, Oct. 7, 2026. (AP Photo/Silvia Izquierdo)

Students march to defend public education and support Brazilian President Luiz Inacio Lula da Silva, who is running for a fourth term, ahead of the presidential runoff election in Rio de Janeiro, Wednesday, Oct. 7, 2026. (AP Photo/Silvia Izquierdo)

President Donald Trump listens as Elon Musk speaks to reporters at the White House in Washington, Tuesday Sept. 29, 2026, after meeting with top executives of AI firms. (AP Photo/Jacquelyn Martin)

Bulgarian authorities take an injured crew member to a hospital after two commercial vessels were attacked in the NATO member's Black Sea economic zone on Tuesday, Oct. 6, 2026, Varna, in what was the first such attack on shipping in the area. (Bulgarian News Agency via AP)

Bulgarian authorities take an injured crew member to a hospital after two commercial vessels were attacked in the NATO member's Black Sea economic zone on Tuesday, Oct. 6, 2026, Varna, in what was the first such attack on shipping in the area. (Bulgarian News Agency via AP)

Vidanaarachchige Wimalasuriya sits under a tree in his paddy field, where his crops failed weeks ago due to drought in Medirigiriya, Sri Lanka, Sunday, Sept. 13, 2026. (AP Photo/Eranga Jayawardena)

Hemapala Mallika fills a pot with water she drew from a depleted well due to drought in Medirigiriya, Sri Lanka, Sunday, Sept. 13, 2026. (AP Photo/Eranga Jayawardena)

A wild elephant roams as safari jeeps carrying tourists approach in Yala National Park in Yala, Sri Lanka, Friday, Sept. 11, 2026. (AP Photo/Eranga Jayawardena)