The Ukrainian lieutenant was at a firing position on the eastern front, commanding an artillery unit relying on American-provided M777 howitzers and other big guns, as U.S. lawmakers gathered in Washington to decide if his cannons would be forced to go silent for lack of ammunition. But when the lieutenant returned to his base on Saturday night, he got the …

For weeks after the Senate passed a sprawling aid package for Ukraine, Israel and Taiwan, Speaker Mike Johnson agonized over whether and how the House would take up funding legislation that would almost certainly infuriate the right wing of his party and could cost him his job. He huddled with top national security officials, including William J. Burns, the C.I.A. …

Ecuadoreans will vote on Sunday in a referendum that could give their center-right president greater powers to combat drug-related gang violence and also gauge how he would fare in his bid for re-election next year. President Daniel Noboa, the 36-year-old heir to a banana empire, took office in November after an election season focused on drug-related gang violence, which has …