Prime Minister Benjamin Netanyahu of Israel has a series of vexing choices to make in the year ahead on issues including Gaza, conscription and a judicial overhaul, with elections looming.
The administration provided no details of what the president said was an attack last week linked to U.S. efforts to disrupt drug trafficking from Latin America.
The train was carrying around 250 passengers and crew members on a cross-country route linking the Pacific and the Gulf of Mexico. Nearly 100 people were injured.
The U.S. president said after a meeting at Mar-a-Lago that a deal was "maybe very close." But a joint U.S.-Ukraine proposal appeared unfinished, as Russia rejected several ideas.
When the Trump administration slashed foreign aid, it gutted a program that had reduced malaria deaths world wide. In northern Cameroon, health workers scrambled to protect children in one last rainy season.
President Volodymyr Zelensky of Ukraine brings a revised 20-point peace proposal, as well as doubts about whether Russia is serious about pursuing peace.